D Henderson1. Show Affiliations » 1. Johns Hopkins School of Hygiene and Public Health, Baltimore, Maryland 21218, USA.
Abstract
Entities: Species
Mesh: See more » History, 20th CenturyHumansImmunization Programs/historyImmunization Programs/organization & administrationInternational CooperationSmallpox/historySmallpox/prevention & controlSmallpox Vaccine/historyWorld Health Organization/history
Substances: See more » Smallpox Vaccine
Year: 1998 PMID: 9652207
Source DB: PubMed Journal: World Health Forum ISSN: 0251-2432