| Literature DB >> 4760719 |
A R Walker, B D Richardson, B F Walker, A Woolford.
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Year: 1973 PMID: 4760719 PMCID: PMC2495696 DOI: 10.1136/pgmj.49.570.243
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401