Pneumatosis and portal venous gas: do CT findings reassure?
Bani Hani M, Kamangar F, Goldberg S, Greenspon J, Shah P, Volpe C, Turner DJ, Horton K, Fishman EK, Francis IR, Daly B, Cunningham SC. Pneumatosis and portal venous gas: do CT findings reassure? J Surg Res. 2013 Dec; 185(2):581-6.