J Duffy. Show Affiliations »
Abstract
Mesh: See more » History, 19th CenturyHumansPublic Health/historySchool Health Services/historySmallpox/prevention & controlUnited StatesVaccination/history
Year: 1978 PMID: 361809 DOI: 10.1093/jhmas/xxxiii.3.344
Source DB: PubMed Journal: J Hist Med Allied Sci ISSN: 0022-5045 Impact factor: 2.088