J Black. Show Affiliations »
Abstract
Mesh: See more » Developing CountriesInformation ServicesInternational CooperationPeriodicals as Topic
Year: 1994 PMID: 7695732 PMCID: PMC2541314 DOI: 10.1136/bmj.309.6966.1437c
Source DB: PubMed Journal: BMJ ISSN: 0959-8138