PT - JOURNAL ARTICLE AU - Muhammad Hanif Shiwani AU - Michael P. Thornton TI - Supradiaphragmatic perforated duodenal ulcer in a giant hiatus hernia DP - 2008 Aug 01 TA - Canadian Journal of Surgery PG - E89--E90 VI - 51 IP - 4 4099 - http://canjsurg.ca/content/51/4/E89.short 4100 - http://canjsurg.ca/content/51/4/E89.full SO - CAN J SURG2008 Aug 01; 51