[1]
S. H. Al-Bahlooli, A. Al-Malahi, N. H. Ghallab, A. Shuga’a Al-Dain, and A. A. Al Sabahi, “Conversion rate of laparoscopic to open cholecystectomy”, Yemeni J Med Sci, vol. 3, no. 1, pp. 1–8, Dec. 2009.