RT Journal Article SR Electronic T1 A semirecumbent body position led to a lower rate of nosocomial pneumonia than a supine position in mechanically ventilated adults JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 84 OP 84 DO 10.1136/ebn.3.3.84 VO 3 IS 3 YR 2000 UL http://ebn.bmj.com/content/3/3/84.abstract AB