| Literature DB >> 3092981 |
D I Thurnham, R Singkamani, R D Situnayake, M Davis.
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Year: 1986 PMID: 3092981 PMCID: PMC1341535 DOI: 10.1136/bmj.293.6548.695-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623