9Dudrick SJ,Maharaj AR,Mckelvey AA. Artificial nutritional support in patients with gastrointestinal fistulas [ J]. World J Surg, 1999,23 (6) :570-576.
10Janu P, Li J, Renegar KB, et al. Recovery of gut-associated lymphoid tissue and upper respiratory tract immunity after parenteral nutrition[ J ]. Ann Surg, 1997,225 ( 6 ) :707-715.