Guthrie, Katherine A Does pregnancy provide vaccine-like protection against rheumatoid arthritis? [electronic resource] - Arthritis and rheumatism Jul 2010 - 1842-8 p. digital Publication Type: Journal Article; Research Support, N.I.H., Extramural ISSN: 1529-0131 Standard No.: 10.1002/art.27459 doi Subjects--Topical Terms: AdolescentAdultArthritis, Rheumatoid--epidemiologyCase-Control StudiesChimerismFemaleHLA Antigens--geneticsHumansMiddle AgedParity--geneticsPregnancy--immunologyPregnancy Complications--epidemiologyProspective StudiesRisk FactorsTime FactorsVaccinationWashington--epidemiologyYoung Adult