| Literature DB >> 7826964 |
W Visser1, I Beckmann, H A Bremer, H L Lim, H C Wallenburg.
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Year: 1994 PMID: 7826964 DOI: 10.1111/j.1471-0528.1994.tb13587.x
Source DB: PubMed Journal: Br J Obstet Gynaecol ISSN: 0306-5456