TY - JOUR T1 - Anencephaly and hydrocephaly in a twin pregnancy JF - Canadian Medical Association Journal JO - CMAJ SP - 1184 LP - 1184 VL - 94 IS - 22 AU - F. S. Hobbs Y1 - 1966/05/28 UR - http://www.cmaj.ca/content/94/22/1184.abstract ER -