5Richter HM,Kelly KA.GO VLW.et al.Proximal gastric vagotomy and mucosal antrectomy.effect on gastric acid secretion.plasma gastrn.and experimental ulcerogensis in the dog.Surgery,1987;101(5):623.
6Abell TL.Malagelada JR.Electrogastrography.currerit assessment and future perspectives.Dig Dis Sci,1988;33(8):982.
7Somour,AJ.Van der schee EJ.Grashuis JL.What is measured in electrogastrography?Dig Dis Sci.1980;25(3):179.
5Dry ginger gold. Medical psychology [M]. Beijing: People's Health Pub- lishing House, 2010:119-120.
6Zhao Dian silver, right month, Tangtian Jun and so on. Spray on in- dwelling stomach tube at different concentrations efficacy of concurrent pharyngitis [J]. Nursing Research, 2010,17 (6A) :647-648.
8Jadad AR, Moore RA, Carroll D, et al. Assessing the quality of reports of randomized clinical trials: is blind- ingnecessary?[J].Control Clin Trials, 1996, 17( 1 ) : 1-12.
9Rollins H, Amold-Jellis J, Taylor A. How accurate are X- rays to check NG tube positioning[J]. Nurs Times, 2012, 108 (42): 14-16.
10Taylor S, Allan K, McWilliam H, et al. Confirming nasogas- tric tube position with electromagnetic tracking versus pH or X-ray and tube radio-opacity[J]. Br J Nurs,2014,23(7): 352, 354-358.