| Literature DB >> 5665742 |
I Surveyor, B Evans, K C Saunders, T E Parry.
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Year: 1968 PMID: 5665742 PMCID: PMC2466614 DOI: 10.1136/pgmj.44.512.438
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401