TY - JOUR T1 - Portal venous gas and pneumatosis intestinalis JF - Canadian Medical Association Journal JO - CMAJ SP - E175 LP - E175 DO - 10.1503/cmaj.120219 VL - 185 IS - 3 AU - Shung-Wei Liu AU - Tai-Yu Huang Y1 - 2013/02/19 UR - http://www.cmaj.ca/content/185/3/E175.abstract N2 - ER -