| Literature DB >> 1998393 |
Abstract
Entities:
Keywords: Americas; Antibodies; Autoantibodies; Biology; Contraception; Contraceptive Methods--beneficial effects; Critique; Data Aggregation; Developed Countries; Epidemiologic Methods; Europe; Family Planning; Immunity; Immunologic Factors; Literature Review; North America; Northern America; Northern Europe; Obstacles; Oral Contraceptives--beneficial effects; Organization And Administration; Physiology; Research Methodology; Rheumatoid Factor; Risk Factors; United Kingdom; United States; Washington
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Year: 1991 PMID: 1998393 PMCID: PMC1004340 DOI: 10.1136/ard.50.2.72
Source DB: PubMed Journal: Ann Rheum Dis ISSN: 0003-4967 Impact factor: 19.103