| Literature DB >> 5558841 |
J A Goldman, B Eckerling, Z Zukerman, S Mannheimer.
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Year: 1971 PMID: 5558841 DOI: 10.1111/j.1471-0528.1971.tb00265.x
Source DB: PubMed Journal: J Obstet Gynaecol Br Commonw ISSN: 0022-3204