A M Walker1, L A García Rodríguez, S Pérez Gutthann. Show Affiliations » 1. Department of Epidemiology, Harvard University School of Public Health, Boston, Massachusetts.
Abstract
Mesh: See more » Clinical Trials as Topic/methodsDrug IndustryDrug-Related Side Effects and Adverse ReactionsEpidemiologic MethodsHumansPrevalenceResearch Design
Year: 1992 PMID: 1573915
Source DB: PubMed Journal: Med Clin (Barc) ISSN: 0025-7753 Impact factor: 1.725