| Literature DB >> 4957870 |
J J Brown, D L Davies, P B Doak, A F Lever, J I Robertson, P Trust.
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Year: 1966 PMID: 4957870 DOI: 10.1111/j.1471-0528.1966.tb05181.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204