J B Blake. Show Affiliations »
Abstract
Mesh: See more » History, 19th CenturyHistory, 20th CenturyHumansSmallpox/historyUnited StatesVaccination/history
Year: 1987 PMID: 3317729 DOI: 10.1093/clinids/9.5.1044
Source DB: PubMed Journal: Rev Infect Dis ISSN: 0162-0886