title: When does rheumatoid arthritis begin and why do we need to know?
authors.affiliation: Cedars Sinai Medical Center, Los Angeles, CA 90048, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Kim
authors.forename: M H
authors.initials: MH
authors.lastname: Weisman
mesh_terms: D017668:Age of Onset; D001172:Arthritis, Rheumatoid / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008404:Massachusetts / Q000453:epidemiology; D008824:Michigan / Q000453:epidemiology