title: [Classification of psoriatic arthritis].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001168:Arthritis / Q000145:classification* / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications*
vernacular_title: K voprosu o klassifikatsii psoriaticheskogo artrita