Two cases of systemic lupus erythematosus presenting themselves as rheumatoid arthritis; their treatment with nivaquine.
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D002738:Chloroquine / Q000627:therapeutic use*; D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*
D002738:Chloroquine
ARTHRITIS, RHEUMATOID/differential diagnosis; CHLOROQUINE/therapeutic use; LUPUS ERYTHEMATOSUS, DISSEMINATED/differential diagnosis