title: Non-specific ulcerative colitis in Bedouin Arabs.
mesh_terms: D000328:Adult; D001083:Arabia; D003093:Colitis, Ulcerative / Q000453:epidemiology* / Q000209:etiology*; D005260:Female; D006801:Humans; D008297:Male; D011611:Psychosomatic Medicine; D012924:Social Conditions