False positive reactions to the Reiter protein complement-fixation (RPCF) test.
D000208:Acute Disease; D001172:Arthritis, Rheumatoid / Q000150:complications; D002908:Chronic Disease; D003168:Complement Fixation Tests; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications; D008297:Male; D008875:Middle Aged; D013587:Syphilis / Q000150:complications; D013588:Syphilis Serodiagnosis