9Hochwald SN, Harrison LE, Heslin M J, et al. Early postoperative en- teral feeding improves whole body protein kinetics in upper gastroint- esinal cancer patients[J]. Am J Surg,1997,174(3) :325-330.
10Nicola W. Nutrition support to patients undergoing gastrointestinal surgery [ J ]. Nutrition,2007,2 (67) : 18-24.