title: [Methodic problems in population studies of rheumatoid arthritis (p.c.p.)-development and current status. 1. Disease concept and diagnostic criteria].
mesh_terms: D001172:Arthritis, Rheumatoid / Q000097:blood / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology; D001799:Blood Sedimentation; D002097:C-Reactive Protein / Q000032:analysis; D002908:Chronic Disease; D004196:Disease Outbreaks; D004487:Edema / Q000209:etiology; D005859:Germany, East; D006801:Humans; D007500:Iritis / Q000209:etiology; D010493:Pericarditis / Q000209:etiology; D010996:Pleural Effusion / Q000209:etiology; D011159:Population Surveillance; D011658:Pulmonary Fibrosis / Q000209:etiology; D013717:Tenosynovitis / Q000209:etiology
chemical_list: D002097:C-Reactive Protein
vernacular_title: Methodische Probleme bei Populationsstudien der Rheumatoid-Arthritis (p.c.P.)-Entwicklung und gegenwärtiger Stand. 1. Krankheitsbegriff und diagnostische Kriterien.