WANG Li, GAO Yu, TONG Wei dong, et al. Expression and significance of inducible nitric oxide synthase and interstitial cells of Cajal in the small intestine of rats with postoperative ileus[J]. Chinese Journal of Digestive Surgery, 2012, 11(4): 382-385. DOI: 10.3760/cma.j.issn.1673-9752.2012.04.023