Sadhu V K, Brennan R E, Madan V
Gastrointest Radiol. 1979 Apr 15;4(2):163-4. doi: 10.1007/BF01887517.
Portal vein gas developed in a patient with granulomatous colitis following air-contrast barium enema. No symptomatology or morbidity could be attributed to the portal vein gas in this patient.