[Clinical study on psoriatic arthritis (author's transl)].
D000328:Adult; D001168:Arthritis / Q000150:complications / Q000175:diagnosis* / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications / Q000175:diagnosis* / Q000276:immunology