Directory of Clinical Sites:
David Geffen School of MedicineDavid Geffen School of Medicine at UCLADavid Gould OpticiansDavid Grant Medical CenterDavid Greenfield Human Physiology UnitDavid H ChristiansenDavid H. Burns, BSC, FCOptomDavid J. Shamblaw, MD Inc.David KayeDavid Lee Cancer Center at Charleston Area Medical CenterDavid M. Radin, MDDavid R. Mandel, MD, Inc.David Ramstad MD & AssociatesDavid Wirta, MD, Inc.David Wright, M.D.Davide PerroniDavidorf Eye GroupDavidson Memory ClinicDavie DermatologyDavie Medical CenterDavies Med CtrDavis Duehr DeanDavis EyeCare AssociatesDavis Heart and Lung Research InstituteDavis Hospital and Medical CenterDavita Clinical ResearchDavita Clinical Research-HartfordDavita Dialysis CenterDawes Fretzin Clinical Research Group, LLCDawes Fretzin Dermatology Group, LLCDawson Clinical ResearchDawson Road Medical CentreDaxing District Center for Disease Prevention and ControlDay Hospital Internistico e ambulatorio di Epatologia, ASL PescaraDayanand Medical College & HospitalDaynes Eye and LasikDaystar Clinical Research, Inc.Dayton Center for Neurological DisordersDayton Children's HospitalDayton Clinical ResearchDayton Gastroenterology, IncDayton Interventional RadiologyDayton NCI Community Oncology Research ProgramDayton NCORPDayton Oncology & HematologyDayton Outpatient CenterDayton Science InstituteDe Dreef Van Zonnebos 13De La Salle Health Science Institute Angelo King Medical Research Center (DLSHSI-AKMRC)De La Salle Health Sciences InstituteDe La Salle University Medical CenterDe Meulemeester MarcDe Wingerd