RT Journal Article SR Electronic T1 Stillbirths before 28 weeks? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 501 OP 501 DO 10.1503/cmaj.109-2014 VO 181 IS 8 A1 Amy B. Tuteur YR 2009 UL http://www.cmaj.ca/content/181/8/501.1.abstract