R E Little, A K Davis. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Data CollectionFemaleHumansMotivationPatient CompliancePostal ServicePregnancyRewardSurveys and Questionnaires
Year: 1984 PMID: 6741916 DOI: 10.1093/oxfordjournals.aje.a113865
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897