RT Journal Article SR Electronic T1 Flushing of intravenous locks in neonates: no evidence that heparin improves patency compared with saline JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP ebnurs-2012-100620 DO 10.1136/ebnurs-2012-100620 A1 Sandra Bellini YR 2012 UL http://ebn.bmj.com/content/early/2012/03/23/ebnurs-2012-100620.abstract AB