| Literature DB >> 5043430 |
D Gibbens, N R Boyd, S Crocker, S Baumber, T Chard.
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Year: 1972 PMID: 5043430 DOI: 10.1111/j.1471-0528.1972.tb14215.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204