RT Journal Article SR Electronic T1 Review: does chlorhexidine prevent ventilator-associated pneumonia? JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 90 OP 90 DO 10.1136/eb-2014-101944 VO 18 IS 3 A1 Michael Klompas YR 2015 UL http://ebn.bmj.com/content/18/3/90.abstract AB