| Literature DB >> 1954431 |
E M Brown, E O Caul, A P Roome, S C Glover, D S Reeves, C C Harling.
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Year: 1991 PMID: 1954431 PMCID: PMC1671344 DOI: 10.1136/bmj.303.6808.990
Source DB: PubMed Journal: BMJ ISSN: 0959-8138