| Literature DB >> 1628098 |
A J Ramirez, J P Watson, M A Richards, I S Fentiman, W M Gregory, R D Rubens, T J Craig.
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Year: 1992 PMID: 1628098 PMCID: PMC1881966 DOI: 10.1136/bmj.304.6842.1632
Source DB: PubMed Journal: BMJ ISSN: 0959-8138