| Literature DB >> 319876 |
D Femi-Pearse, W O George, S T Ilechukwu, O O Elegbeleye, A O Afonja.
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Year: 1977 PMID: 319876 PMCID: PMC1605098 DOI: 10.1136/bmj.1.6059.491
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447