1. 1. Susman N, Senturia HR. Gas embolization of the portal venous system. Am J Roentgenol Radium Ther Nucl Med 83: 847-850, 1960.
2. 2. Liebman PR, Patten MT, Manny J, Benfield JR, Hechtman HB. Hepatic-portal venous gas in adults: etiology, pathophysiology and clinical significance. Ann Surg 187: 281-287, 1978.
3. 3. Kinoshita H, Shinozaki M, Tanimura H, et al. Clinical features and management of hepatic portal venous gas: four case reports and cumulative review of the literature. Arch Surg 136: 1410-1414, 2001.
4. 4. Lebovitz HE. Alpha-Glucosidase inhibitors. Endocrinol Metab Clin North Am 26: 539-551, 1997.
5. 5. Cheng AY, Fantus IG. Oral antihyperglycemic therapy for type 2 diabetes mellitus. CMAJ 172: 213-226, 2005.