S Jonas. Show Affiliations »
Abstract
Mesh: See more » Insurance, HealthMedicareSocial SecurityUnited States
Year: 1969 PMID: 4884934 PMCID: PMC1228408 DOI: 10.2105/ajph.59.suppl_1.23
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572