RT Journal Article SR Electronic T1 Chorioamnionitis increased neonatal morbidity in very-low-birthweight infants JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 29 OP 29 DO 10.1136/ebm.1999.4.29 VO 4 IS 1 YR 1999 UL http://ebm.bmj.com/content/4/1/29.abstract AB