| Literature DB >> 2660036 |
M A Van Eijkeren1, G C Christiaens, J J Sixma, A A Haspels.
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Year: 1989 PMID: 2660036 DOI: 10.1097/00006254-198906000-00003
Source DB: PubMed Journal: Obstet Gynecol Surv ISSN: 0029-7828 Impact factor: 2.347