4Jonathan M, Saxe MD, Anna M. Lower esophageal sphincter dysfunction precludes safe gastric feeding after injury. The Journal of Trauma, 1994, 37(4): 581.
5Neora P,Anne M,Nancy B, et al. Pulmonary aspiration in a long-term care setting: Clinical and laboratory observations and an analysis of risk factors. The American Geriatrics Society,1996,44:763-768.
6Esparza J, Boivin MA, Hartshorne MF, et al. Equal aspiration rates in gastrically and transpylorically fed critically ill patients. Intensive Care Med, 2001,27(4): 660-664.
7Heyland DK ,Drover JW, Novak F ,et al. Effect of postpyloric feeding on gastroesophageal regurgitation and pulmonary microaspiration results of a randomized controlled trial .Cret Care Med, 2001, 29(8):1495-1501.
8Kearns PT,Donna C. A controlled comparison of traditional feeding tube verification methods to a bedside, electromagnetic technique. JPEN J Parenter Enteral Nutr, 2001, 25(4): 210-215.
9Neumann MJ, Meyer CT, Dutton JL,et al. Hold that X-ray: Aspirate pH and auscultation prove enteral tube placement. Clin Gastroenterol, 1995, 20(4):293-295.
10Metheny NA, Stewart BJ, Smith L, et al. pH and concentration of bilirubin in feeding tube aspirates as predictors of tube placement. Nurs Res, 1999, 48(4): 189-197.