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Abstract
Mesh: See more » Africa, WesternDeveloping CountriesDrug Industry/economicsDrug Industry/legislation & jurisprudencePharmaceutical Preparations/standardsWorld Health Organization
Substances: See more » Pharmaceutical Preparations
Year: 1992 PMID: 1731208 DOI: 10.1038/355192a0
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962