W P Shepard, R H Elling, W F Grimes. Show Affiliations »
Abstract
Mesh: See more » AdultAgedEconomics, MedicalFemaleHumansMaleMiddle AgedOccupational MedicinePhysiciansPublic HealthStatistics as TopicUnited States
Year: 1966 PMID: 5904436 DOI: 10.1097/00043764-196603000-00003
Source DB: PubMed Journal: J Occup Med ISSN: 0096-1736