| Literature DB >> 5025138 |
P R MacLean, W G Paterson, G E Smart, J J Petrie, J S Robson, D Thomson.
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Year: 1972 PMID: 5025138 DOI: 10.1111/j.1471-0528.1972.tb15803.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204