U-Systems, Inc.   1 study
U.S. Air Force Office of the Surgeon General   2 studies
U.S. Army Medical Research and Materiel Command   47 studies
U.S. Army Office of the Surgeon General   25 studies
U.S. Bioscience   5 studies
U.S. National Science Foundation   2 studies
U3 Pharma AG   1 study
UCB   232 studies
UK Dermatology Clinical Trials Network   1 study
UKK Institute   2 studies
Ullevaal University Hospital   81 studies
Ulsan University Hospital   3 studies
Ulthera, Inc   1 study
UltraShape   1 study
UMC Utrecht   85 studies
Umeå University   24 studies
UNC Lineberger Comprehensive Cancer Center   53 studies
Uni-Pharma   1 study
UNICEF   4 studies
Unidad de Investigacion Clinica en Medicina S.C.   1 study
Unidad de Investigacion en Enfermedades Cronico-Degenerativas   1 study
Unidad de Investigacion Medica en Epidemiologia Clinica   1 study
Unidad Integral de Investigación en Oncología S.L.   1 study
Unidade Itaquera   1 study
UNIFOB A/S   2 studies
Uniformed Services University of the Health Sciences   7 studies
Unigene Laboratories Inc.   2 studies
Unilever R&D   1 study
Unimed Pharmaceuticals   3 studies
Uniquest Pty Ltd   1 study
Unita Complessa di Ostetricia e Ginecologia   2 studies
United Behavioral Health   1 study
United Biomedical   3 studies
United Bristol Healthcare NHS Trust   2 studies
United Cerebral Palsy Foundation   2 studies
United Christian Hospital   1 study
United Community Center   1 study
United Kingdom Children's Cancer Study Group   1 study
United States Agency for International Development (USAID)   35 studies
United States Air Force   1 study
United States Army Institute of Surgical Research   18 studies
United States Department of Agriculture   22 studies
United States Department of Commerce   1 study
United States Liposcience Inc.   1 study
United States Naval Medical Center, Portsmouth   5 studies
United States Naval Medical Center, San Diego   9 studies
United Therapeutics   18 studies
Unither Pharmaceuticals   4 studies
Uniuversity of Genua, Italy   1 study
Univax Biologics Inc   1 study
Univeristat Duisburg-Essen   5 studies
Universal Enterprises   1 study
Universal Research Group   1 study
Universiadade Federal de Goias   2 studies
Universidad Austral de Chile   1 study
Universidad Autonoma de Baja California   1 study
Universidad Autonoma de San Luis Potosí   5 studies
Universidad Complutense de Madrid   1 study
Universidad de Antioquia   7 studies
Universidad de Granada   4 studies
Universidad de Guadalajara   1 study
Universidad de Guanajuato   2 studies
Universidad de la Republica   2 studies
Universidad de Zaragoza   1 study
Universidad del Valle, Columbia   3 studies
Universidad Industrial de Santander   2 studies
Universidad Los Andes   1 study
Universidad Nacional Autonoma de Mexico   4 studies
Universidad Nacional de Córdoba   2 studies
Universidad Nacional de La Plata   2 studies
Universidad Peruana Cayetano Heredia   3 studies
Universidad Politecnica de Madrid   1 study
Universidad Tecnológica de Pereira   1 study
Universidade Cidade de Sao Paulo   1 study
Universidade da Paz   1 study
Universidade da Regiao da Campanha   1 study
Universidade do Sul de Santa Catarina   1 study
Universidade Estadual da Paraiba   1 study
Universidade Estadual de Londrina   1 study
Universidade Federal de Pernambuco, Recife, Brasil   2 studies
Universidade Federal de Sao Carlos   2 studies
Universidade Federal do Ceara   3 studies
Universidade Luterana do Brasil   1 study
Universidade Metodista de Piracicaba   1 study
Universita degli Studi di Catania   1 study
Universita di Verona   8 studies
Universitair Ziekenhuis Brussel   3 studies
Universitaire de Sherbrooke   18 studies
Universitaire Ziekenhuizen Leuven   19 studies
Universitaria di Ferrara   5 studies
Universite du Quebec a Montreal   3 studies
Universite du Quebec en Outaouais   1 study
Universiteit Antwerpen   9 studies
University at Albany   1 study
University at Buffalo School of Medicine   3 studies
University Children Hospital Homburg   3 studies
University Children's Hospital Basel   3 studies
University Children's Hospital, Zurich   3 studies
University Clinical Centre, Maribor   1 study
University College Cork   5 studies
University College Dublin   3 studies
University College Hospital Galway   1 study
University College London Hospitals   26 studies
University College of Antwerp   2 studies
University College, London   13 studies
University Diabetes & Endocrine Consultants   1 study
University Diego Portales   1 study
University Emergency Physicians   1 study
University for Development Studies, Tamale, Ghana   2 studies
University Ghent   16 studies
University Health Network, Toronto   239 studies
University Hospital   10 studies
University Hospital Birmingham   23 studies
University Hospital Carl Gustav Carus   6 studies
University Hospital Case Medical Center   8 studies
University hospital Dresden, III. Medical hospital and Outpatient clinic   1 study
University Hospital Dubrava   1 study
University Hospital Freiburg   40 studies
University Hospital Goettingen   3 studies
University Hospital Inselspital, Berne   64 studies
University Hospital Koge   3 studies
University Hospital Mannheim   11 studies
University hospital Medical Information Network(UMIN, Japan)   1 study
University Hospital Muenster   59 studies
University Hospital of Crete   49 studies
University Hospital of Liege   8 studies
University Hospital of Mont-Godinne   1 study
University Hospital of North Norway   21 studies
University Hospital of North Staffordshire   1 study
University Hospital of Psychiatry, Department Neuropsychopharmacology and Bra...   1 study
University Hospital of the West Indies   2 studies
University Hospital Olomouc   1 study
University Hospital Orebro   7 studies
University Hospital Pierre Zobda-Quitman   1 study
University Hospital Schleswig-Holstein - Kiel Campus   2 studies
University Hospital Tuebingen   73 studies
University Hospital Ulm   3 studies
University Hospital Virgen de las Nieves   1 study
University Hospital, Aachen   2 studies
University Hospital, Aker   11 studies
University Hospital, Akershus   5 studies
University Hospital, Alexandroupolis   1 study
University Hospital, Angers   33 studies
University Hospital, Antwerp   10 studies
University Hospital, Basel, Switzerland   101 studies
University Hospital, Basel, Switzerland, Dr. med. Stephan Rüegg, Neurology   1 study
University Hospital, Bonn   33 studies
University Hospital, Bordeaux   67 studies
University Hospital, Brest   12 studies
University Hospital, Caen   10 studies
University Hospital, Clermont-Ferrand   44 studies
University Hospital, Essen   8 studies
University Hospital, Frankfurt   2 studies
University Hospital, Gasthuisberg   20 studies
University Hospital, Geneva   58 studies
University Hospital, Gentofte, Copenhagen   36 studies
University Hospital, Ghent   132 studies
University Hospital, Grenoble   51 studies
University Hospital, Lille   15 studies
University Hospital, Limoges   38 studies
University Hospital, Linkoeping   14 studies
University Hospital, Lyon, France   5 studies
University Hospital, Marseille   2 studies
University Hospital, Montpellier   12 studies
University Hospital, Motol   2 studies
University Hospital, Paris   2 studies
University Hospital, Rouen   54 studies
University Hospital, Saarland   18 studies
University Hospital, Strasbourg   1 study
University Hospital, Strasbourg, France   71 studies
University Hospital, Toulouse   33 studies
University Hospital, Tours   31 studies
University Hospitals Bristol NHS Trust   1 study
University Hospitals of Cleveland   46 studies
University Hospitals, Leicester   27 studies
University Magna Graecia   19 studies
University Medical Center, Tuzla   1 study
University Medical Centre Groningen   34 studies
University Medical Centre Ljubljana   6 studies
University Medical Products   1 study
University of Aarhus   194 studies
University of Aberdeen   11 studies
University of Adelaide   7 studies
University of Alabama at Birmingham   174 studies
University of Alberta   81 studies
University of Alberta, Graduate Orthodontic Program   3 studies
University of Alcala   1 study
University of Amsterdam   7 studies
University of Applied Sciences of Western Switzerland   4 studies
University of Arizona   50 studies
University of Arkansas   107 studies
University of Athens   15 studies
University of Auckland, New Zealand   7 studies
University of Bamako   2 studies
University of Bamberg   1 study
University of Bari   1 study
University of BC Gerontology & Diabetes Research   1 study
University of Belgrade   1 study
University of Bergen   21 studies
University of Bern   18 studies
University of Bialystok   1 study
University of Birmingham NHS Foundation Trust   2 studies
University of Bologna   26 studies
University of Brasilia   5 studies
University of Bremen   2 studies
University of Brighton   1 study
University of Bristol   9 studies
University of British Columbia   192 studies
University of Buenos Aires   1 study
University of Calabar   1 study
University of Calgary   75 studies
University of California   7 studies
University of California, Berkeley   9 studies
University of California, Davis   141 studies
University of California, Irvine   142 studies
University of California, Los Angeles   156 studies
University of California, San Diego   113 studies
University of California, San Francisco   311 studies
University of Cambridge   12 studies
University of Campinas, Brazil   11 studies
University of Cantanzaro   1 study
University of Canterbury   1 study
University of Cape Town   25 studies
University of Chicago   283 studies
University of Chieti   2 studies
University of Chile   4 studies
University of Cincinnati   94 studies
University of Coimbra   1 study
University of Cologne   43 studies
University of Colorado at Denver and Health Sciences Center   116 studies
University of Connecticut   21 studies
University of Connecticut Health Center   35 studies
University of Copenhagen   77 studies
University of Delaware   9 studies
University of Dublin, Trinity College   6 studies
University of Dundee   20 studies
University of Durham   1 study
University of East Anglia   6 studies
University of Edinburgh   32 studies
University of Erlangen-Nürnberg   35 studies
University of Florence   7 studies
University of Florida   112 studies
University of Foggia   1 study
University of Gaziantep   1 study
University of Genova   3 studies
University of Georgia   4 studies
University of Ghana Medical School   1 study
University of Giessen   8 studies
University of Glasgow   28 studies
University of Goettingen, Section Neurobiology (Head: Prof. Dr. T. Bayer), Ge...   1 study
University of Guelph   1 study
University of Göttingen   8 studies
University of Haifa   4 studies
University of Halle Medical Faculty   1 study
University of Hawaii   7 studies
University of Hawaii Cancer Research Center   1 study
University of Heidelberg   102 studies
University of Hertfordshire   3 studies
University of Homburg   1 study
University of Houston - Victoria   1 study
University of Hull   2 studies
University of Iceland   1 study
University of Illinois   56 studies
University of Ioannina   2 studies
University of Iowa   83 studies
University of Jena   29 studies
University of Johannesburg   1 study
University of Kansas   104 studies
University of Kelaniya   1 study
University of Kentucky   42 studies
University of Kiel   4 studies
University of Konstanz   13 studies
University of Kuopio   13 studies
University of KwaZulu   5 studies
University of L'Aquila   3 studies
University of Lausanne   5 studies
University of Lausanne Hospitals   20 studies
University of Leeds   4 studies
University of Leipzig   34 studies
University of Limpopo   1 study
University of Lisbon   1 study
University of Liverpool   3 studies
University of Liverpool Cancer Research Centre   1 study
University of London   5 studies
University of Louisville   44 studies
University of Luebeck   16 studies
University of Magdeburg   7 studies
University of Malawi College of Medicine   6 studies
University of Manchester   7 studies
University of Manitoba   35 studies
University of Mannheim   6 studies
University of Maryland   96 studies
University of Maryland Baltimore Dental School   1 study
University of Maryland Greenebaum Cancer Center   32 studies
University of Massachusetts   36 studies
University of Mauritius   1 study
University of Medicine and Dentistry New Jersey   91 studies
University of Melbourne   30 studies
University of Messina   7 studies
University of Miami   64 studies
University of Michigan   191 studies
University of Michigan Cancer Center   89 studies
University of Michigan Health System   2 studies
University of Michigan, Section of Electrophysiology (Arrhythmia Research)   2 studies
University of Milan   20 studies
University of Milano Bicocca   1 study
University of Minnesota   126 studies
University of Mississippi Medical Center   25 studies
University of Missouri, Department of Psychology, Division of Neuroscience   1 study
University of Missouri, Kansas City   5 studies
University of Missouri-Columbia   45 studies
University of Modena and Reggio Emilia   3 studies
University of Monastir   2 studies
University of Montana   1 study
University of Montreal   18 studies
University of Munich Children's Clinic   1 study
University of München   1 study
University of Nairobi   2 studies
University of Nancy   1 study
University of Naples   2 studies
University of Navarre   6 studies
University of Navarrra Hospital (Clinica Universitaria)   1 study
University of Nebraska   101 studies
University of New England   2 studies
University of New Mexico   87 studies
University of Newcastle   6 studies
University of Newcastle Upon-Tyne   3 studies
University of North Carolina, Charlotte   1 study
University of North Florida   2 studies
University of North Texas Health Science Center   9 studies
University of Nottingham   14 studies
University of Oklahoma   61 studies
University of Oregon   2 studies
University of Oslo   51 studies
University of Oslo School of Pharmacy   15 studies
University of Otago   6 studies
University of Ottawa   19 studies
University of Ottawa Heart Institute   23 studies
University of Oulu   11 studies
University of Oulu, Department of dental health   1 study
University of Oxford   53 studies
University of Padova   17 studies
University of Padua   2 studies
University of Palermo   1 study
University of Paris 5 - Rene Descartes   2 studies
University of Parma   8 studies
University of Patras   1 study
University of Pavia   4 studies
University of Pecs   1 study
University of Pennsylvania   227 studies
University of Pennsylvania Diabetes and Endocrinology Research Center (DERC)   1 study
University of Pernambuco   2 studies
University Of Perugia   11 studies
University of Pittsburgh   417 studies
University of Plymouth   1 study
University of Port Harcourt Teaching Hospital   1 study
University of Portsmouth   1 study
University of Puerto Rico   4 studies
University of Reading   1 study
University of Regensburg   11 studies
University of Rhode Island   2 studies
University of Rochester   169 studies
University of Roma La Sapienza   16 studies
University of Rome Tor Vergata   5 studies
University of Rostock   9 studies
University of Salamanca   1 study
University of San Francisco   2 studies
University of Santander   2 studies
University of Santo Amaro   1 study
University of Sao Paulo   85 studies
University of Saskatchewan   32 studies
University of Schleswig-Holstein   26 studies
University of Science Malaysia   3 studies
University of Sheffield   11 studies
University of Shizuoka   9 studies
University of Siena   3 studies
University of Skopje   1 study
University of South Africa   1 study
University of South Alabama   7 studies
University of South Carolina   5 studies
University of South Florida   40 studies
University of Southampton   10 studies
University of Southern California   38 studies
University of Southern Denmark   28 studies
University of Southern Maine   1 study
University of Split   1 study
University of Stellenbosch   4 studies
University of Surrey   6 studies
University of Sydney   26 studies
University of Tampere   27 studies
University of Tartu   1 study
University of Tasmania   2 studies
University of Tehran   3 studies
University of Tennessee   23 studies
University of Tennessee Cancer Institute   2 studies
University of Tennessee, Chattanooga   1 study
University of Texas   67 studies
University of Texas at Austin   1 study
University of Texas Southwestern Medical Center   124 studies
University of the Philippines   1 study
University of the Ryukyus   1 study
University of the State of Santa Catarina   1 study
University of the Western Cape   4 studies
University of Thessaly   6 studies
University of Tilburg   2 studies
University of Tokushima   1 study
University of Toledo Health Science Campus   7 studies
University of Toronto   71 studies
University of Toyama   3 studies
University of Trieste   3 studies
University of Tromso   12 studies
University of Turin, Italy   28 studies
University of Turku   24 studies
University of Ulm   27 studies
University of Ulster   5 studies
University of Utah   137 studies
University of Valencia   4 studies
University of Vermont   61 studies
University of Versailles   8 studies
University of Vigo   7 studies
University of Virginia   90 studies
University of Warwick   1 study
University of Washington   221 studies
University of Washington Institute for Translational Health Science (KL2)   1 study
University of Waterloo   12 studies
University of Western Ontario, Canada   21 studies
University of Western Sydney   1 study
University of Wisconsin, Madison   241 studies
University of Wisconsin, Milwaukee   1 study
University of Witten/Herdecke   5 studies
University of Witwatersrand, South Africa   8 studies
University of Wollongong   3 studies
University of Wuerzburg   27 studies
University of Yamanashi   1 study
University of Yaounde   5 studies
University of York   5 studies
University of Zagreb   5 studies
University of Zambia   4 studies
University of Zimbabwe   2 studies
University of Zurich   101 studies
University Paris 7 - Denis Diderot   1 study
University Research Co, LLC (subcontract)   1 study
University Rovira i Virgili   2 studies
University Teaching Hospital Hall in Tirol   1 study
Università degli Studi dell'Insubria   10 studies
Università degli Studi di Brescia   2 studies
Università Politecnica delle Marche   7 studies
Università Vita-Salute San Raffaele   6 studies
Universitätsklinikum Hamburg-Eppendorf   21 studies
Université Catholique de Louvain   9 studies
Université du Québec à Trois-Rivières   1 study
Université Montpellier   3 studies
Université Victor Segalen Bordeaux 2   3 studies
Uniwersytet Mikolaja Kopernika w Toruniu   2 studies
UPECLIN HC FM Botucatu Unesp   20 studies
Upjohn   7 studies
Uppsala University   7 studies
Uppsala University Hospital   11 studies
Upsher-Smith Laboratories   2 studies
Urigen   2 studies
Urologic Consultants of Southeastern PA   1 study
Urological Research Foundation   1 study
Urological Sciences Research Foundation   2 studies
Urologix   1 study
Urology of Virginia   1 study
Urology South Shore Research Inc.   1 study
Uromedica   2 studies
Uroplasty, Inc   3 studies
US Biotest, Inc.   3 studies
US Military HIV Research Program   2 studies
US Oncology Research   17 studies
Usak State Hospital   1 study
USDA Grand Forks Human Nutrition Research Center   6 studies
USDA, Western Human Nutrition Research Center   2 studies
USGI Medical   2 studies
USHIFU, LLC   4 studies
Utah HealthCare Institute   1 study
Utrecht Institute for Pharmaceutical Sciences   6 studies
Utrecht University   8 studies