3LEWIS SL, HEATON KW. Stool irm scale as a useful guide to intestinal transit time [ J ]. Scand J Gastroentero, 1997,9 ( 32 ) : 920 - 924.
4Subramaniasivam N, Ananthakrishnan N, Kate V, et at. Partial cholecystectomy in elective and emergency gall bladder surgery in the high risk patients a viable and safe option in the era of laparoseopic surgery[J]. Trop Gastroenterol, 1996,17 (1) : 49-52.
