| Literature DB >> 4788838 |
A H Crisp, P C MacKinnon, C Chen, C S Corker.
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Year: 1973 PMID: 4788838 PMCID: PMC2495602 DOI: 10.1136/pgmj.49.574.584
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401