False-positive tests for toxoplasmosis in juvenile rheumatoid arthritis.
D001171:Arthritis, Juvenile / Q000175:diagnosis*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005189:False Positive Reactions; D005455:Fluorescent Antibody Technique; D006801:Humans; D008297:Male; D012698:Serologic Tests; D014123:Toxoplasmosis / Q000175:diagnosis*