R Cooper. Show Affiliations »
Abstract
Mesh: See more » Epidemiologic MethodsHumansMorbidityResearch DesignStatistics as Topic
Year: 1980 PMID: 7352616 PMCID: PMC1619184 DOI: 10.2105/ajph.70.2.181
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308