R W Johnson Pharmaceutical Research Institute   2 studies
R&D Cardiologie   8 studies
R&R Inc.   1 study
R. Stuart Dickson Institute for Health Studies   1 study
R.J. Reynolds Tobacco Company   1 study
Rabin Medical Center   73 studies
Radboud University   187 studies
Radiant Medical   2 studies
Radiant Research   6 studies
Radiation Therapy Oncology Group   152 studies
Radio Isotope Therapy of America   1 study
RadioMedix   1 study
Radius Health   2 studies
Radius Hungaricus Oncology Group   1 study
Rafa Laboratories   3 studies
Rafic Hariri University Hospital   2 studies
Rainier Associates   1 study
Raising Voices   1 study
Rajavithi Hospital   9 studies
Rajendra Memorial Research Institute of Medical Sciences   3 studies
Ralph H. Johnson VA Medical Center   2 studies
Ralph Lauren Center for Cancer Care and Prevention   3 studies
Ralph M. Parsons Foundation   2 studies
Ramathibodi Hospital   7 studies
Rambam Health Care Campus   79 studies
Ranbaxy Inc.   1 study
Ranbaxy Laboratories Limited   71 studies
Rancho Los Amigos National Rehabilitation Center   1 study
RAND   6 studies
Randers Region Hospital   1 study
Rapid Pathogen Screening   2 studies
Raptor Pharmaceuticals Corp.   1 study
Raptor Therapeutics, Inc.   2 studies
Rare Diseases Clinical Research Network   29 studies
Rashi Foundation   1 study
Raven Biotechnologies   2 studies
RDD Pharma Ltd   1 study
Rea Rehabilitation Centre, Georgia   8 studies
Real Imaging Ltd.   2 studies
Reata Pharmaceuticals, Inc.   11 studies
Recepta Biopharma   1 study
Rechbergklinik Bretten   2 studies
Reckitt and Colman   1 study
Reckitt Benckiser Pharmaceuticals, Inc   3 studies
Recoly N.V.   1 study
Recordati Industria Chimica e Farmaceutica S.p.A.   1 study
Rectal Cancer Trial on Defunctioning Stoma Study Group   2 studies
Red Cross Hospital Beverwijk   1 study
Red-Ion Medical USA, LLC   2 studies
ReDent Nova   1 study
Redmond Fire Department Medic One   1 study
Redwood Regional Medical Group   1 study
Regado Biosciences, Inc.   1 study
Regenerative Medicine Network   1 study
Regeneron Pharmaceuticals   27 studies
RegeneRx Biopharmaceuticals, Inc.   5 studies
Regenesis Biomedical, Inc.   1 study
Region Sealand   1 study
Region Skane   6 studies
Regional Clinical Research   1 study
Regional Obstetrical Consultants   3 studies
Regional Oncologic Center   1 study
Regional organ procurement organization (DSO), Baden-Wuerttemberg, Germany   1 study
Regional Organ Procurement Organization (DSO), Bavaria, Germany   1 study
Regione Lombardia   2 studies
Regionsenter for barn og unges psykiske helse   6 studies
Regionshospitalet Skive   1 study
Reha Rheinfelden   3 studies
Rehabilitation Centre Amsterdam   1 study
Rehabilitation Institute of Chicago   14 studies
Rehazentrum Bad Eilsen   1 study
Reinier de Graaf Groep   2 studies
Reliant Pharmaceuticals   14 studies
Reliant Technologies, Inc. Mountain View, CA   1 study
Relypsa, Inc.   1 study
Renal Research Institute   6 studies
Renal Solutions, Inc.   1 study
RenaMed Biologics   2 studies
Rennes University Hospital   31 studies
Renovis   2 studies
Renovo   18 studies
Replidyne   2 studies
Repligen Corporation   9 studies
Reproductive Partners Medical Group   1 study
Reprogenetics   1 study
Repromed   1 study
Repros Therapeutics Inc.   18 studies
ReProtect Inc   2 studies
Research and Education Foundation of Michael Reese Hospital   2 studies
Research Associates of New York, LLP   3 studies
Research Center Borstel   1 study
Research Foundation for Mental Hygiene   12 studies
Research Institute for Genetic and Human Therapy   1 study
Research Institute of Child Nutrition, Dortmund   2 studies
Research Unit Of General Practice, Copenhagen   3 studies
ResearchPoint   2 studies
Resicard   1 study
Resistentia Pharmaceuticals AB   1 study
ResMed   16 studies
ResMed Foundation   3 studies
Resolvyx Pharmaceuticals, Inc   1 study
Respinova LTD   1 study
Respiratory Health Association of Metropolitan Chicago   1 study
Respiratory Technology Corporation   1 study
Respirics Inc.   1 study
Respironics   13 studies
Respironics, California, Inc.   2 studies
Response Biomedical Corp.   1 study
ResQ Medical Ltd   1 study
Resverlogix Corp   1 study
Retina Associates, Kansas City   1 study
Retina Center, Minnesota   1 study
Retina Foundation of the Southwest   1 study
Retina Implant AG   1 study
Retina Institute of Hawaii   2 studies
Retina Macula Institute   1 study
Retina Research Foundation   2 studies
Retina Vitreous Associates, P.C.   1 study
Retinal Consultants Medical Group   1 study
Retirement Research Foundation   2 studies
Revalesio Corporation   1 study
Revance Therapeutics, Inc.   2 studies
Revivant Corporation   1 study
Revotar Biopharmaceuticals AG   1 study
Rex Medical   1 study
Rexahn Pharmaceuticals, Inc.   2 studies
RFS Pharma, LLC   1 study
Rheoscience A/S   1 study
Rheumatism Foundation Hospital   1 study
Rheumatology Therapeutics Medical Center   1 study
Rheumazentrum Ruhrgebiet   1 study
Rhode Island Foundation   1 study
Rhode Island Hospital   32 studies
Rhone-Poulenc Rorer   5 studies
Rib-X Pharmaceuticals, Inc.   3 studies
Ribe County Hospital   2 studies
Ribozyome   1 study
Rice University   1 study
Richard L. Roudebush VA Medical Center   2 studies
Richmond Pharmacology Limited   3 studies
Rigel Dermatology   1 study
Rigel Pharmaceuticals   9 studies
Rigshospitalet, Denmark   153 studies
Rijnstate Hospital   19 studies
Rikshospitalet HF   65 studies
Rikshospitalet University Hospital   17 studies
Rio de Janeiro State University   1 study
Risk Factor Modification Centre   2 studies
RITA Medical Systems   4 studies
River Plate Biotechnology, Inc.   1 study
Riverside Haematology Group   2 studies
Riverside Methodist Hospital   1 study
Riverside Research Institute   2 studies
Riyadh Military Hospital   1 study
RMT Medical Technologies, Ltd.   1 study
Roanoke College   1 study
Robarts Research Institute   6 studies
Robert C. Atkins Foundation   8 studies
Robert H. Lurie Cancer Center   124 studies
Robert Jones and Agnes Hunt Orthopaedic and District NHS Trust   1 study
Robert Koch Institut   1 study
Robert Wood Johnson Foundation   66 studies
Roberts Pharmaceutical   1 study
Roche Diagnostic Ltd.   1 study
Roche Global Development   5 studies
Rochester Institute of Technology   1 study
Rochester Psychiatric Center   1 study
Rockefeller Foundation   2 studies
Rockefeller University   60 studies
Rockwell Medical Technologies, Inc.   1 study
Rocky Mountain Blood and Marrow Transplant Program   3 studies
Rocky Mountain Cancer Centers   1 study
Rocky Mountain Retina Consultants   1 study
Rocky Mountain University of Health Professions   1 study
Roger Williams Medical Center   7 studies
Rogers Center for Research & Training, Inc.   1 study
Roll International Corporation   4 studies
Romanian Society of Nephrology   2 studies
Romark Laboratories L.C.   14 studies
Rosalind Franklin University of Medicine and Science   3 studies
RoseLab Skin Optics Laboratory   1 study
Roskilde County Hospital   9 studies
Ross Products   1 study
Roswell Park Cancer Institute   138 studies
Rothman Institute Orthopaedics   4 studies
Rotman Research Institute at Baycrest   1 study
Rottapharm   3 studies
Routin SA   1 study
Rovi Pharmaceuticals Laboratories   6 studies
ROX Medical, Inc.   2 studies
Roxane Laboratories   52 studies
Roxro Pharma   2 studies
Royal Adelaide Hospital   7 studies
Royal Alexandra Hospital   6 studies
Royal Berkshire NHS Foundation Trust   1 study
Royal Brisbane and Women's Hospital   3 studies
Royal Brompton Hospital NHS Trust   40 studies
Royal Children's Hospital   2 studies
Royal College of Obstetricians and Gynecologists   1 study
Royal College of Physicians   1 study
Royal College of Physicians and Surgeons of Canada   1 study
Royal College of Surgeons of Edinburgh   1 study
Royal College of Surgeons, Ireland   4 studies
Royal Devon and Exeter NHS Foundation Trust   1 study
Royal Free and University College Medical School   3 studies
Royal Free Hampstead NHS Trust   6 studies
Royal Hobart Hospital   3 studies
Royal Liverpool University Hospital   6 studies
Royal Marsden NHS Foundation Trust   32 studies
Royal Perth Hospital   3 studies
Royal Prince Alfred Hospital, Sydney, Australia   5 studies
Royal Sussex County Hospital   2 studies
Royal Thai Army Medical Department   1 study
Royal University Hospital Foundation   5 studies
Royal Veterinary and Agricultural University, Denmark   3 studies
Royalty Research Fund - University of Washington   1 study
Royan Institute   5 studies
RS Medical   2 studies
RTI Biologics   4 studies
RTI International   24 studies
Rudolf Foundation Clinic   3 studies
Ruhr University of Bochum   19 studies
Rush North Shore Medical Center   1 study
Rush University   1 study
Rush University Medical Center   39 studies
Russian Academy of Medical Sciences   5 studies
Russian Cardiology Research and Production Center   3 studies
Rutgers University   12 studies
Ruth M. Rothstein CORE Center   3 studies
Ruttonjee Hospital   3 studies
RWTH Aachen University   23 studies
RxKinetix   1 study
Ryogoku Eye Clinic   1 study