1. The epidemiology of rheumatoid arthritis in Rochester, Minnesota: a study of its incidence, prevalence and mortality;Linos, A.; W, Worthington J.; M, O.'Fallon W.; T, Kurland L.;AmJf Epidemiol,1980
2. Reduction in incidence of rheumatoid arthritis associated with oral contraceptives;J, Wingrave S.; R, Kay C.;Lancet,1978
3. The protective effect of the oral contraceptive pill: an overview of the analytical epidemiological studies using meta-analysis. J7 Clin Epidemiol;D, Spector T.; C, Hochberg M.,1990
4. Relation of menstrual cycle phase to symptoms of rheumatoid arthritis;S, Latman N.;Am _J Med,1983
5. Onset of symptoms of rheumatoid arthritis in relation to age, sex and menopausal transition.7Rheumatol;Goemaere, S.; Ackerman, C.; Goethals, Keyser F.de,1990