RT Journal Article SR Electronic T1 Antenatal prophylaxis of Rh isoimmunization: 28-weeks'-gestation service program JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 627 OP 630 VO 118 IS 6 A1 J. M. Bowman A1 J. M. Pollock YR 1978 UL http://www.cmaj.ca/content/118/6/627.abstract