Z. Jian

The impact of alanyl-glutamine on clinical safety, nitrogen balance, intestinal permeability, and clinical outcome in postoperative patients: a randomized, double-blind, controlled study of 120 patients.

Y. Liu, J. D. Cao, H. Shu, 1999, JPEN. Journal of parenteral and enteral nutrition.

Efficacy of early postoperative enteral nutrition in supporting patients after esophagectomy.

L. Qiang, Z. Jian-hua, Q. Xiong, 2014, Minerva chirurgica.