A Engel, R S Murphy, K Maurer, E Collins. Show Affiliations »
Abstract
Mesh: See more » AdultAgedHealth Surveys/methodsHumansMiddle AgedSurveys and QuestionnairesUnited States
Year: 1978 PMID: 695333
Source DB: PubMed Journal: Vital Health Stat 1 ISSN: 0083-2014