C Alvarez-Dardet, F Bolúmar, M Porta Serra. Show Affiliations »
Abstract
Mesh: See more » Data CollectionEpidemiologic MethodsHumansResearch Design
Year: 1987 PMID: 3316872
Source DB: PubMed Journal: Med Clin (Barc) ISSN: 0025-7753 Impact factor: 1.725