| Literature DB >> 12308221 |
E Heilmann, A Menke, H J Rethmeier, W Seelbach.
Abstract
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Keywords: Biology; Clinical Research; Contraception; Contraceptive Methods--side effects; Family Planning; Oral Contraceptives, Combined; Oral Contraceptives--side effects; Physiology; Research Methodology; Vitamin B Complex--analysis; Vitamins
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Year: 1976 PMID： 12308221
Source DB: PubMed Journal: Inn Med ISSN： 0303-4305