RT Journal Article SR Electronic T1 Further research needed before late pregnancy ultrasound can be recommended for all JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 74 OP 74 DO 10.1136/ebnurs-2016-102330 VO 19 IS 3 A1 Melissa K Whitworth A1 Martin Maher YR 2016 UL http://ebn.bmj.com/content/19/3/74.abstract AB