| Literature DB >> 7301706 |
J R O'Donnell, J G Erskine, P A Bailey, J F Davidson.
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Year: 1981 PMID: 7301706 PMCID: PMC2426115 DOI: 10.1136/pgmj.57.670.532
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401