| Literature DB >> 5419892 |
A Prakash, J A Chalmers, O I Onojobi, R J Henderson, P Cummings.
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Year: 1970 PMID: 5419892 DOI: 10.1111/j.1471-0528.1970.tb03515.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204