| Literature DB >> 5793901 |
G M Duffus, M E Tunstall, R G Condie, I MacGillivray.
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Year: 1969 PMID: 5793901 DOI: 10.1111/j.1471-0528.1969.tb06152.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204