title: [Technical problems in population studies of rheumatoid arthritis (p.c.p.-progressive chronic polyarthritis)--development and current status. 2. Screening instruments and epidemiologic material criteria].
mesh_terms: D001172:Arthritis, Rheumatoid / Q000175:diagnosis / Q000453:epidemiology* / Q000276:immunology; D004196:Disease Outbreaks; D004812:Epidemiologic Methods; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D005859:Germany, East; D006801:Humans; D007841:Latex Fixation Tests; D008297:Male; D012217:Rheumatoid Factor / Q000032:analysis; D012621:Seasons
chemical_list: D012217:Rheumatoid Factor
vernacular_title: Methodische Probleme bei Populationsstudien der Rheumatoid-Arthritis (p.c.P.)--Entwicklung und gegenwärtiger Stand. 2. Screeninginstrumente und Epidemiologische Gütekriterien.