| Literature DB >> 2502278 |
G Williams1, R Jager, J McLoughlin, A el Din, L Machan, K Gill, R Asopa, A Adam.
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Year: 1989 PMID: 2502278 PMCID: PMC1836576 DOI: 10.1136/bmj.298.6685.1429
Source DB: PubMed Journal: BMJ ISSN: 0959-8138