D Baxby. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » HumansImmunization ProgramsPopulation SurveillanceSierra LeoneSmallpox/prevention & control
Year: 1995 PMID: 7827578 PMCID: PMC2548471 DOI: 10.1136/bmj.310.6971.62b
Source DB: PubMed Journal: BMJ ISSN: 0959-8138