RT Journal Article SR Electronic T1 Review: evidence is lacking to show that adults given fluids 1.5–3 hours preoperatively have greater risks of aspiration or regurgitation than those given a standard fast JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 88 OP 88 DO 10.1136/ebm.9.3.88 VO 9 IS 3 YR 2004 UL http://ebm.bmj.com/content/9/3/88.abstract AB