| Literature DB >> 1998639 |
R Pestell1, A Herington, J Best, M Boolell, P McKelvie, R Arnott, F Alford.
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Year: 1991 PMID: 1998639 DOI: 10.1111/j.1471-0528.1991.tb10317.x
Source DB: PubMed Journal: Br J Obstet Gynaecol ISSN: 0306-5456