RT Journal Article SR Electronic T1 Normal food at will and nil-by-mouth enteral feeding after major upper GI surgery did not differ for mortality or morbidityCommentary JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 21 OP 21 DO 10.1136/ebn.12.1.21 VO 12 IS 1 A1 Mary M Brennan YR 2009 UL http://ebn.bmj.com/content/12/1/21.abstract AB