title: [Longitudinal study of isolated seropositive rheumatoid factors in the population].
mesh_terms: D001168:Arthritis / Q000097:blood / Q000276:immunology*; D005260:Female; D006801:Humans; D008297:Male; D012217:Rheumatoid Factor / Q000302:isolation & purification*
chemical_list: D012217:Rheumatoid Factor
vernacular_title: Longitudinálna stúdia izolovanej séropozitivity reumatoidných faktorov v populácii.