S Greenland, E Watson, R R Neutra. Show Affiliations »
Abstract
Mesh: See more » Chronic DiseaseEpidemiologic MethodsHumansOutcome and Process Assessment, Health Care/methods
Year: 1981 PMID: 7278419 DOI: 10.1097/00005650-198108000-00006
Source DB: PubMed Journal: Med Care ISSN: 0025-7079 Impact factor: 2.983