C J Roberts. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Africa, CentralHistory, 18th CenturyHistory, 19th CenturyHistory, 20th CenturySmallpox/history
Year: 1967 PMID: 5343178
Source DB: PubMed Journal: Cent Afr J Med ISSN: 0008-9176