RT Journal Article SR Electronic T1 Daytime births are associated with better perinatal outcomes in secondary and tertiary hospitals JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 59 OP 60 DO 10.1136/ebm1158 VO 16 IS 2 A1 de Jonge, Ank A1 Twisk, Jos A1 Hutton, Eileen YR 2011 UL http://ebm.bmj.com/content/16/2/59.abstract AB