| Literature DB >> 2819342 |
Abstract
Entities:
Keywords: Antibodies; Autoantibodies; Biology; Case Control Studies; Comparative Studies; Contraception; Contraceptive Methods--side effects; Epidemiologic Methods; Family Planning; Immunity; Immunologic Factors; Oral Contraceptives--side effects; Physiology; Prospective Studies; Research Methodology; Rheumatoid Factor; Statistical Studies; Studies
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Year: 1989 PMID: 2819342
Source DB: PubMed Journal: Br J Rheumatol ISSN: 0263-7103