TY - JOUR T1 - Management of high-risk pregnancy: report of a combined obstetrical and neonatal intensive care unit JF - Canadian Medical Association Journal JO - CMAJ SP - 55 LP - 63 VL - 101 IS - 7 AU - S. B. Effer Y1 - 1969/10/04 UR - http://www.cmaj.ca/content/101/7/55.abstract ER -