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   67 studies
Radboud University   178 studies
Radiant Medical   2 studies
Radiant Research   6 studies
Radiation Therapy Oncology Group   151 studies
Radio Isotope Therapy of America   1 study
RadioMedix   1 study
Radius Health   1 study
Radius Hungaricus Oncology Group   1 study
Rafa Laboratories   3 studies
Rafic Hariri University Hospital   1 study
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   5 studies
Rambam Health Care Campus   73 studies
Ranbaxy Inc.   1 study
Ranbaxy Laboratories Limited   63 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
Rare Diseases Clinical Research Network   27 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-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   2 studies
Regenerative Medicine Network   1 study
Regeneron Pharmaceuticals   22 studies
RegeneRx Biopharmaceuticals, Inc.   4 studies
Regenesis Biomedical, Inc.   1 study
Region Skane   4 studies
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   1 study
Regionsenter for barn og unges psykiske helse   6 studies
Regionshospitalet Skive   1 study
Reha Rheinfelden   2 studies
Rehabilitation Centre Amsterdam   1 study
Rehabilitation Institute of Chicago   13 studies
Rehazentrum Bad Eilsen   1 study
Reinier de Graaf Groep   2 studies
Reliant Pharmaceuticals   15 studies
Reliant Technologies, Inc. Mountain View, CA   1 study
Renal Research Institute   5 studies
Renal Solutions, Inc.   1 study
RenaMed Biologics   2 studies
Rennes University Hospital   31 studies
Renovis   2 studies
Renovo   15 studies
Replidyne   2 studies
Repligen Corporation   8 studies
Reproductive Partners Medical Group   1 study
Reprogenetics   1 study
Repromed   1 study
Repros Therapeutics Inc.   13 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   13 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   11 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
Revivant Corporation   1 study
Rex Medical   1 study
Rexahn Pharmaceuticals, Inc.   1 study
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   28 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   142 studies
Rijnstate Hospital   18 studies
Rikshospitalet HF   59 studies
Rikshospitalet University Hospital   17 studies
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
RMT Medical Technologies, Ltd.   1 study
Roanoke College   1 study
Robarts Research Institute   6 studies
Robert C. Atkins Foundation   7 studies
Robert H. Lurie Cancer Center   119 studies
Robert Jones and Agnes Hunt Orthopaedic and District NHS Trust   1 study
Robert Wood Johnson Foundation   60 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   55 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   2 studies
RoseLab Skin Optics Laboratory   1 study
Roskilde County Hospital   7 studies
Ross Products   1 study
Roswell Park Cancer Institute   129 studies
Rothman Institute Orthopaedics   1 study
Rotman Research Institute at Baycrest   1 study
Rottapharm   3 studies
Routin SA   1 study
Rovi Pharmaceuticals Laboratories   5 studies
Roxane Laboratories   44 studies
Roxro Pharma   2 studies
Royal Adelaide Hospital   7 studies
Royal Alexandra Hospital   4 studies
Royal Berkshire NHS Foundation Trust   1 study
Royal Brisbane and Women's Hospital   3 studies
Royal Brompton Hospital NHS Trust   35 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   7 studies
Royal Hobart Hospital   2 studies
Royal Liverpool University Hospital   6 studies
Royal Marsden NHS Foundation Trust   28 studies
Royal Perth Hospital   3 studies
Royal Prince Alfred Hospital, Sydney, Australia   4 studies
Royal Sussex County Hospital   2 studies
Royal Thai Army Medical Department   1 study
Royal University Hospital Foundation   4 studies
Royal Veterinary and Agricultural University, Denmark   3 studies
Royalty Research Fund - University of Washington   1 study
Royan Institute   4 studies
RS Medical   2 studies
RTI Biologics   3 studies
RTI International   24 studies
Rudolf Foundation Clinic   3 studies
Ruhr University of Bochum   17 studies
Rush North Shore Medical Center   1 study
Rush University   1 study
Rush University Medical Center   35 studies
Russian Academy of Medical Sciences   4 studies
Russian Cardiology Research and Production Center   3 studies
Rutgers University   12 studies
Ruth M. Rothstein CORE Center   2 studies
Ruttonjee Hospital   1 study
RWTH Aachen University   21 studies
RxKinetix   1 study