title: [Ankylosing spondylarthritis with infantile and juvenile onset in Moracco].
mesh_terms: D000293:Adolescent; D000328:Adult; D001416:Back Pain; D002648:Child; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D009018:Morocco; D011859:Radiography; D012698:Serologic Tests; D012737:Sex Factors; D013167:Spondylitis, Ankylosing / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology
vernacular_title: La spondylarthrite ankylosante à début infantile et juvénile au Maroc.