VITAMINS DURING PREGNANCY AND NEURAL-TUBE DEFECTS
Letter
MILLS, JL, RHOADS, GG, SIMPSON, JL et al. (1990). VITAMINS DURING PREGNANCY AND NEURAL-TUBE DEFECTS
. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 263(20), 2747-2748. 10.1001/jama.1990.03440200049013
MILLS, JL, RHOADS, GG, SIMPSON, JL et al. (1990). VITAMINS DURING PREGNANCY AND NEURAL-TUBE DEFECTS
. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 263(20), 2747-2748. 10.1001/jama.1990.03440200049013