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Basic Science, trauma, fracture fixation, biomaterials, infection, surfaces
Switzerland

Biography

Member of the AO Foundation Executive Committee. Executive Director Research & Development
Director of AO Research Institute Davos, AO Foundation

Fellow of the Learned Society of Wales (FLSW)
International Fellow of Tissue Engineering And Regenerative Medicine (FTERM)
Fellow of Orthopaedic Research Society (FORS)
Fellow of Biomaterials Science and Engineering (FBSE)
Fellow of International Orthopaedic Research (FIOR)
Honorary Fellow Aberystwyth University (Cymrawd er Anrhydedd Prifysgol Aberystwyth)

Lifetime Professor, Albert-Ludwigs University, Freiburg, Germany
Honorary Professor, Cardiff University Wales, United Kingdom
Distinguished Professor, First Affiliated Hospital, Sun-Yat-sen University, Guangzhou, China
Dr Honoris Causa, Technical University of Varna, Bulgaria

Past President Tissue Engineering & Regenerative Medicine International Society (TERMIS)
Co-founder, Editor-In-Chief eCM Not-for-profit Open Access Journal (2000-June 2024)
Co-founder, Past-Chair of the International College of Fellows for Orthopaedic Research

Activities

Employment (3)

AO Foundation: Davos, Graubünden, CH

2020-09-01 to present | Executive Director Research & Development
Employment
Source: Self-asserted source
RG Richards

AO Foundation: Davos, Graubünden, CH

2009-09-01 to present | Director (AO Research Institute Davos )
Employment
Source: Self-asserted source
RG Richards

AO Foundation: Davos, Graubünden, CH

1991-09-01 to 2009-09-01 | Program Leader / group Leader (AO Research Institute Davos )
Employment
Source: Self-asserted source
RG Richards

Education and qualifications (3)

Aberystwyth University: Aberystwyth, Ceredigion, GB

1993 to 1997 | PhD. Cell Adhesion to implant surfaces. (Biological Sciences)
Education
Source: Self-asserted source
RG Richards

Aberystwyth University: Aberystwyth, Ceredigion, GB

1990-10 to 1991-06 | M.Sc. Biological Electron Microscopy (Biological Sciences)
Education
Source: Self-asserted source
RG Richards

Aberystwyth University: Aberystwyth, Ceredigion, GB

1987-10 to 1990-06 | B.Sc. (Biological Sciences)
Education
Source: Self-asserted source
RG Richards

Works (50 of 247)

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Assessment of the proficiency level of novices in distal intramedullary nail interlocking achieved through training with Digitally Enhanced Hands-on Surgical Training (DEHST)

European Journal of Trauma and Emergency Surgery
2025-12 | Journal article
Contributors: Tatjana Pastor; Jan Buschbaum; Mathilde von Laue; Björn-Christian Link; Frank J. P. Beeres; James Fletcher; Bergita Ganse; R. Geoff Richards; Boyko Gueorguiev; Torsten Pastor
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45° helical plates are a valid alternative to straight plates for treatment of proximal humeral shaft fractures

Journal of Orthopaedic Research
2025-03 | Journal article
Contributors: Tatjana Pastor; Ivan Zderic; Frank J. P. Beeres; Nader Helmy; R. Geoff Richards; Philipp Kriechling; Ludmil Drenchev; Hristo K. Skulev; Boyko Gueorguiev; Torsten Pastor
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Augmenting Screw Technique to Prevent TLIF Cage Subsidence: A Biomechanical In Vitro Study

Bioengineering
2025-03-24 | Journal article
Contributors: Alina Jacob; Alicia Feist; Ivan Zderic; Boyko Gueorguiev; Jan Caspar; Christian R. Wirtz; Geoff Richards; Markus Loibl; Daniel Haschtmann; Tamas F. Fekete
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The effects of intercalary fragments at the posterior malleolus on ankle joint pressure distribution – a biomechanical cadaveric study

The Journal of Foot and Ankle Surgery
2025-01 | Journal article
Contributors: Lionel Llano; Christian Peez; Ivan Zderic; R. Geoff Richards; Boyko Gueorguiev; Jorge Barla; Stefan Rammelt
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Biomechanical evaluation of double-stranded knot configurations in high-strength sutures and tapes

European Journal of Trauma and Emergency Surgery
2024-12 | Journal article
Contributors: Mehar Dhillon; Tatjana Pastor; Ivan Zderic; Sarina Hebsacker; Björn-Christian Link; James Fletcher; R. Geoff Richards; Boyko Gueorguiev; Torsten Pastor
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Fixation of Takeuchi Type II/III lateral hinge fractures provides favourable stability of a medial open wedge high tibial osteotomy—A biomechanical study

Knee Surgery, Sports Traumatology, Arthroscopy
2024-12-15 | Journal article
Contributors: Christian Peez; Adrian Deichsel; Ivan Zderic; R. Geoff Richards; Ludmil Drenchev; Hristo K. Skulev; Boyko Gueorguiev; Michael J. Raschke; Christoph Kittl; Elmar Herbst
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The most responsive foot position for non-invasive detection of isolated unstable syndesmotic injuries – a 3D analysis

Journal of Orthopaedic Surgery and Research
2024-11-02 | Journal article
Contributors: Firas Souleiman; Martin Heilemann; Georg Osterhoff; Pierre Hepp; Boyko Gueorguiev; R. Geoff Richards; Dominic Gehweiler; Robert Hennings
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Isolation and Antibiofilm Activity of Bacteriophages against Cutibacterium acnes from Patients with Periprosthetic Joint Infection

Viruses
2024-10-10 | Journal article
Contributors: Baixing Chen; Marco Chittò; Siyuan Tao; Jeroen Wagemans; Rob Lavigne; R. Geoff Richards; Willem-Jan Metsemakers; T. Fintan Moriarty
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Correction: New dynamic suture material for tendon transfer surgeries in the upper extremity – a biomechanical comparative analysis

Archives of Orthopaedic and Trauma Surgery
2024-09-06 | Journal article
Contributors: Tatjana Pastor; Ivan Zderic; Mehar Dhillon; Boyko Gueorguiev; R. Geoff Richards; Torsten Pastor; Esther Vögelin
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Load Changes on a Short-Segment Posterior Instrumentation After Transosseous Disruption of L3 Vertebra – A Biomechanical Human Cadaveric Study

Global Spine Journal
2024-08-30 | Journal article
Contributors: Maximilian Heumann; Alina Jacob; Boyko Gueorguiev; R. Geoff Richards; Lorin M. Benneker
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Short-Term Celecoxib Promotes Bone Formation without Compromising Cefazolin Efficacy in an Early Orthopaedic Device-Related Infection: Evidence from a Rat Model

Antibiotics
2024-07-30 | Journal article
Contributors: Vuyisa Siphelele Mdingi; Lena Gens; Karen Mys; Peter Varga; Stephan Zeiter; Leonard Charles Marais; Robert Geoffrey Richards; Fintan Thomas Moriarty; Marco Chittò
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Antegrade anterior column acetabulum fracture fixation with cannulated compression headless screws—A biomechanical study on standardized osteoporotic artificial bone

PLOS ONE
2024-06-03 | Journal article
Contributors: Till Berk; Osama Farouk; Ivan Zderic; Peter Schwarzenberg; Torsten Pastor; Ludmil Drenchev; Hristo Kostov Skulev; Geoff Richards; Christian Hierholzer; Sascha Halvachizadeh et al.
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Impact of Perioperative Dexamethasone Administration on Infection and Implant Osseointegration in a Preclinical Model of Orthopedic Device-Related Infection

Microorganisms
2024-06-01 | Journal article
Contributors: Marc-Antoine Burch; Aron Keshishian; Charlotte Wittmann; Dirk Nehrbass; Keith Thompson; Daniel Arens; R. Geoff Richards; Vuysa Mdingi; Marco Chitto; Mario Morgenstern et al.
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Exposure of Hoffa Fractures Is Improved by Posterolateral and Posteromedial Extensile Approaches

Journal of Bone and Joint Surgery
2024-05-01 | Journal article
Contributors: Christian Peez; Adrian Deichsel; Thorben Briese; Boyko Gueorguiev; R. Geoff Richards; Ivan Zderic; Johannes Glasbrenner; Christoph Kittl; Michael J. Raschke; Elmar Herbst
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Implant retention in a rabbit model of fracture-related infection

Bone & Joint Research
2024-03-22 | Journal article
Contributors: Jan Puetzler; Alejandro Vallejo Diaz; Georg Gosheger; Martin Schulze; Daniel Arens; Stephan Zeiter; Claudia Siverino; Robert G. Richards; Thomas F. Moriarty
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Anterior column acetabulum fracture fixation with a screw-augmented acetabular cup—a biomechanical feasibility study

Clinical Biomechanics
2023-10 | Journal article
Contributors: Till Berk; Ivan Zderic; Peter Schwarzenberg; Roman Pfeifer; Tatjana Pastor; Sascha Halvachizadeh; R. Geoff Richards; Boyko Gueorguiev; Hans-Christoph Pape
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Sound-based assembly of three-dimensional cellularized and acellularized constructs

Materials Today Bio
2023-10 | Journal article
Contributors: Riccardo Tognato; Romedi Parolini; Shahrbanoo Jahangir; Junxuan Ma; Sammy Florczak; R. Geoff Richards; Riccardo Levato; Mauro Alini; Tiziano Serra
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Treatment of Metaphyseal Defects in Plated Proximal Humerus Fractures with a New Augmentation Technique—A Biomechanical Cadaveric Study

Medicina
2023-09 | Journal article | Author
Contributors: Daniel Zhelev; Stoyan Hristov; Ivan Zderic; stoyan ivanov; Luke Visscher; Asen Baltov; Simeon Ribagin; Karl Stoffel; Franz Kralinger; Jörg Winkler et al.
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Multidisciplinary Digital Publishing Institute

Is a Washer a Mandatory Component in Young Trauma Patients with S1-S2 Iliosacral Screw Fixation of Posterior Pelvis Ring Injuries? A Biomechanical Study

Medicina
2023-07-28 | Journal article
Contributors: Till Berk; Ivan Zderic; Peter Schwarzenberg; Torsten Pastor; Sascha Halvachizadeh; Geoff Richards; Boyko Gueorguiev; Hans-Christoph Pape
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Antegrade Posterior Column Acetabulum Fracture Screw Fixation via Posterior Approach: A Biomechanical Comparative Study

Medicina
2023-06-28 | Journal article
Contributors: Till Berk; Ivan Zderic; Peter Schwarzenberg; Ludmil Drenchev; Hristo Kostov Skulev; Roman Pfeifer; Tatjana Pastor; Geoff Richards; Boyko Gueorguiev; Hans-Christoph Pape
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Superior fixation strength of coronoid process replacement using individually designed 3D printed prosthesis with curved cemented intramedullary stem

Journal of Shoulder and Elbow Surgery
2023-05 | Journal article
Contributors: Yavor Pukalski; Jan Barcik; Ivan Zderic; Parvan Yanev; Asen Baltov; Orlin Malouchev; Karl Stoffel; Geoff Richards; Boyko Gueorguiev; Dian Enchev
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Sound-based assembly of three-dimensional cellularized and acellularized constructs

2023-05-24 | Preprint
Contributors: Riccardo Tognato; Romedi Parolini; Shahrbanoo Jahangir; Junxuan Ma; Sammy Florczak; R. Goeff Richards; Riccardo Levato; Mauro Alini; Tiziano Serra
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Arginine concentration in arterial vs venous blood in a bleomycin-induced lung inflammation model in mice

PLOS ONE
2023-05-12 | Journal article
Contributors: Slobodan Tepic; Eyüp Serhat Çalık; Daniel Arens; Tim Buchholz; Dirk Nehrbass; Olivera Cvetkovic; Martin J. Stoddart; R. G. Richards; Stephan Zeiter
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A Novel Implant for Superior Pubic Ramus Fracture Fixation—Development and a Biomechanical Feasibility Study

Medicina
2023-04-10 | Journal article
Contributors: Till Berk; Ivan Zderic; Jan Caspar; Peter Schwarzenberg; Torsten Pastor; Sascha Halvachizadeh; Biser Makelov; Geoff Richards; Hans-Christoph Pape; Boyko Gueorguiev
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In Vitro Testing and Clinical Handling of a Novel Implant Positioning Technology for Proximal Humeral Plating

Medicina
2023-02-23 | Journal article
Contributors: Markus Windolf; Dominik Knierzinger; Stefaan Nijs; An Sermon; Michael Blauth; Robert Geoff Richards; Jan Buschbaum
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Prognostic and therapeutic potential of microRNAs for fracture healing processes and non‐union fractures: A systematic review

Clinical and Translational Medicine
2023-01 | Journal article
Contributors: Franziska Lioba Breulmann; Luan Phelipe Hatt; Boris Schmitz; Esther Wehrle; Robert Geoff Richards; Elena Della Bella; Martin James Stoddart
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Cartilage decisively shapes the glenoid concavity and contributes significantly to shoulder stability

Knee Surgery, Sports Traumatology, Arthroscopy
2022-11 | Journal article
Contributors: F. Souleiman; I. Zderic; T. Pastor; P. Varga; T. Helfen; G. Richards; B. Gueorguiev; J. Theopold; G. Osterhoff; P. Hepp
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Augmented screwdrivers can increase the performance of orthopaedic surgeons compared with use of normal screwdrivers

Scientific Reports
2022-11-22 | Journal article
Contributors: James W. A. Fletcher; Verena Neumann; Juan Silva; Abigail Burdon; Karen Mys; Vasiliki C. Panagiotopoulou; Boyko Gueorguiev; R. Geoff Richards; Michael R. Whitehouse; Ezio Preatoni et al.
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Comminuted intraarticular calcaneal fractures: Multiplanar VA locked plating and interlocked nailing incorporate longitudinal strut and provide superior stability – a biomechanical cadaveric study

Injury
2022-10 | Journal article
Contributors: A. Stefanov; S. Ivanov; I. Zderic; A. Baltov; M. Rashkov; D. Gehweiler; G. Richards; B. Gueorguiev; D. Enchev
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Multiple hypervirulent methicillin-sensitiveStaphylococcus aureuslineages contribute towards poor patient outcomes in orthopedic device-related infections

2022-10-22 | Preprint
Contributors: Virginia Post; Ben Pascoe; Evangelos Mourkas; Jessica K. Calland; Matthew D. Hitchings; Christoph Erichsen; Julian Fischer; Mario Morgenstern; R. Geoff Richards; Samuel K. Sheppard et al.
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Fracture-related infection

Nature Reviews Disease Primers
2022-10-20 | Journal article
Contributors: T. Fintan Moriarty; Willem-Jan Metsemakers; Mario Morgenstern; Marloes I. Hofstee; Alejandro Vallejo Diaz; James E. Cassat; Britt Wildemann; Melissa Depypere; Edward M. Schwarz; R. Geoff Richards
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Continuous Rod Load Monitoring to Assess Spinal Fusion Status–Pilot In Vivo Data in Sheep

Medicina
2022-07-06 | Journal article
Contributors: Markus Windolf; Maximilian Heumann; Viktor Varjas; Caroline Constant; Manuela Ernst; Robert Geoff Richards; Hans-Joachim Wilke; Lorin Michael Benneker
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Continuous Implant Load Monitoring to Assess Bone Healing Status—Evidence from Animal Testing

Medicina
2022-06-27 | Journal article
Contributors: Markus Windolf; Viktor Varjas; Dominic Gehweiler; Ronald Schwyn; Daniel Arens; Caroline Constant; Stephan Zeiter; Robert Geoff Richards; Manuela Ernst
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Effect of weightbearing and foot positioning on 3D distal tibiofibular joint parameters

Scientific Reports
2022-06-07 | Journal article
Contributors: Firas Souleiman; Martin Heilemann; Robert Hennings; Pierre Hepp; Boyko Gueorguiev; Geoff Richards; Georg Osterhoff; Dominic Gehweiler
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A single-cell transcriptome of mesenchymal stromal cells to fabricate bioactive hydroxyapatite materials for bone regeneration

Bioactive Materials
2022-03 | Journal article
Contributors: Peng Guo; Xizhe Liu; Penghui Zhang; Zhongyuan He; Zhen Li; Mauro Alini; R. Geoff Richards; Sibylle Grad; Martin J. Stoddart; Guangqian Zhou et al.
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One size may not fit all: patient-specific computational optimization of locking plates for improved proximal humerus fracture fixation

Journal of Shoulder and Elbow Surgery
2022-01 | Journal article
Contributors: Jana Felicitas Schader; Dominic Mischler; Jan Dauwe; R. Geoff Richards; Boyko Gueorguiev; Peter Varga
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Does Cement Augmentation of the Sacroiliac Screw Lead to Superior Biomechanical Results for Fixation of the Posterior Pelvic Ring? A Biomechanical Study

Medicina
2021-12-16 | Journal article
Contributors: Moritz F. Lodde; J. Christoph Katthagen; Clemens O. Schopper; Ivan Zderic; R. Geoff Richards; Boyko Gueorguiev; Michael J. Raschke; René Hartensuer
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Butyrate Inhibits Osteoclast Activity In Vitro and Regulates Systemic Inflammation and Bone Healing in a Murine Osteotomy Model Compared to Antibiotic-Treated Mice

Mediators of Inflammation
2021-12-10 | Journal article
Contributors: Alexandra Wallimann; Walker Magrath; Brenna Pugliese; Nino Stocker; Patrick Westermann; Anja Heider; Dominic Gehweiler; Stephan Zeiter; Marcus J. Claesson; R. Geoff Richards et al.
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In Vitro 3D Staphylococcus aureus Abscess Communities Induce Bone Marrow Cells to Expand into Myeloid-Derived Suppressor Cells

Pathogens
2021-11-06 | Journal article
Contributors: Marloes I. Hofstee; Anja Heider; Sonja Häckel; Caroline Constant; Martijn Riool; R. Geoff Richards; T. Fintan Moriarty; Sebastian A. J. Zaat
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Is Anterior Plating Superior to the Bilateral Use of Retrograde Transpubic Screws for Treatment of Straddle Pelvic Ring Fractures? A Biomechanical Investigation

Journal of Clinical Medicine
2021-10-28 | Journal article
Contributors: Moritz F. Lodde; J. Christoph Katthagen; Clemens O. Schopper; Ivan Zderic; R. Geoff Richards; Boyko Gueorguiev; Michael J. Raschke; René Hartensuer
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Transcriptional profiling of intervertebral disc in a post‐traumatic early degeneration organ culture model

JOR SPINE
2021-09 | Journal article
Contributors: Shangbin Cui; Zhiyu Zhou; Xu Chen; Fuxin Wei; R. Geoff Richards; Mauro Alini; Sibylle Grad; Zhen Li
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An Enzybiotic Regimen for the Treatment of Methicillin-Resistant Staphylococcus aureus Orthopaedic Device-Related Infection

Antibiotics
2021-09-29 | Journal article
Contributors: Eric T. Sumrall; Marloes I. Hofstee; Daniel Arens; Christian Röhrig; Susanne Baertl; Dominic Gehweiler; Mathias Schmelcher; Martin J. Loessner; Stephan Zeiter; R. Geoff Richards et al.
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Fracture biomechanics influence local and systemic immune responses in a murine fracture-related infection model

Biology Open
2021-09-15 | Journal article
Contributors: Marina Sabaté-Brescó; Corina M. Berset; Stephan Zeiter; Barbara Stanic; Keith Thompson; Mario Ziegler; R. Geoff Richards; Liam O'Mahony; T. Fintan Moriarty
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Titanium Wear Particles Exacerbate S. epidermidis-Induced Implant-Related Osteolysis and Decrease Efficacy of Antibiotic Therapy

Microorganisms
2021-09-13 | Journal article
Contributors: Claudia Siverino; Linda Freitag; Daniel Arens; Ursula Styger; R. Geoff Richards; T. Fintan Moriarty; Vincent A. Stadelmann; Keith Thompson
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Non-union bone fractures

Nature Reviews Disease Primers
2021-08-05 | Journal article
Contributors: Britt Wildemann; Anita Ignatius; Frankie Leung; Lisa A. Taitsman; R. Malcolm Smith; Rodrigo Pesántez; Martin J. Stoddart; R. Geoff Richards; Jesse B. Jupiter
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Smart implants in fracture care – only buzzword or real opportunity?

Injury
2021-06 | Journal article
Contributors: Manuela Ernst; R. Geoff Richards; Markus Windolf
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Fracture-related infection

Bone & Joint Research
2021-06-01 | Journal article
Contributors: Susanne Baertl; Willem-Jan Metsemakers; Mario Morgenstern; Volker Alt; Robert Geoff Richards; Thomas Fintan Moriarty; Katie Young
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Biomechanical Comparison of Five Fixation Techniques for Unstable Fragility Fractures of the Pelvic Ring

Journal of Clinical Medicine
2021-05-26 | Journal article
Contributors: Moritz F. Lodde; J. Christoph Katthagen; Clemens O. Schopper; Ivan Zderic; Geoff Richards; Boyko Gueorguiev; Michael J. Raschke; René Hartensuer
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The Tissue Renin-Angiotensin System and Its Role in the Pathogenesis of Major Human Diseases: Quo Vadis?

Cells
2021-03-15 | Journal article
Contributors: Babak Saravi; Zhen Li; Corinna N. Lang; Bonaventura Schmid; Frauke K. Lang; Sibylle Grad; Mauro Alini; Robert Geoffrey Richards; Hagen Schmal; Norbert Südkamp et al.
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Impact of low bone mass and antiresorptive therapy on antibiotic efficacy in a rat model of orthopedic device‐related infection

Journal of Orthopaedic Research
2021-02 | Journal article
Contributors: Keith Thompson; Linda Freitag; Ursula Styger; Karin Camenisch; Stephan Zeiter; Daniel Arens; R. Geoff Richards; Thomas F. Moriarty; Vincent A. Stadelmann
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