| Literature DB >> 5908710 |
H C Seftel, C Malkin, A Schmaman, C Abrahams, S R Lynch, R W Charlton, T H Bothwell.
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Year: 1966 PMID: 5908710 PMCID: PMC1843929 DOI: 10.1136/bmj.1.5488.642
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447