title: Hepatic portal vein gas following colonoscopy in ulcerative colitis: report of a case.
mesh_terms: D003093:Colitis, Ulcerative / Q000175:diagnosis*; D003113:Colonoscopy / Q000009:adverse effects*; D005260:Female; D005740:Gases; D006801:Humans; D007049:Iatrogenic Disease; D008875:Middle Aged; D011169:Portal Vein
chemical_list: D005740:Gases