V W Sidel. Show Affiliations »
Abstract
Mesh: See more » Health Occupations/educationHealth Occupations/historyHealth WorkforceHistory, 19th CenturyHistory, 20th CenturyRural HealthRussia (Pre-1917)USSR
Year: 1968 PMID: 4868712 DOI: 10.1056/NEJM196804252781705
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245