| Literature DB >> 3103733 |
H M Buckler, D M Mitchell, M H Beck, D C Anderson.
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Year: 1987 PMID: 3103733 PMCID: PMC1245522 DOI: 10.1136/bmj.294.6570.480
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623