| Literature DB >> 3171567 |
C L Collins, K A Thomas, A F Harding, S D Cook, J L Turner, J H Collins.
Abstract
Entities:
Keywords: Age Factors; Biology; Calcium--analysis; Contraception; Contraceptive Methods--beneficial effects; Data Analysis; Data Collection; Demographic Factors; Endocrine System; Estrogens--side effects; Examinations And Diagnoses; Family Planning; Hormones; Ingredients And Chemicals; Inorganic Chemicals; Laboratory Examinations And Diagnoses; Metals; Oral Contraceptives--beneficial effects; Physiology; Population; Population Characteristics; Research Methodology
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Year: 1988 PMID： 3171567
Source DB: PubMed Journal: J La State Med Soc ISSN： 0024-6921