| Literature DB >> 4725945 |
M Davis, C J Simmons, B Dordoni, J D Maxwell, R Williams.
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Year: 1973 PMID: 4725945 DOI: 10.1111/j.1471-0528.1973.tb16051.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204