| Literature DB >> 6788292 |
A el-Makri, M S Larabi, C Kechrid, C Belkahia, H Ben Ayed.
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Year: 1981 PMID: 6788292 PMCID: PMC1506343 DOI: 10.1136/bmj.283.6286.277-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623