TY - GEN AU - Hall,M H TI - Folic acid deficiency and congenital malformation SN - 0022-3204 PY - 1972///0824 KW - Congenital Abnormalities KW - etiology KW - Female KW - Folic Acid KW - blood KW - Folic Acid Deficiency KW - complications KW - Humans KW - Pregnancy KW - Pregnancy Complications KW - Prospective Studies N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1471-0528.1972.tb15772.x ER -