共 50 条
- [1] PERICONCEPTIONAL SUPPLEMENTATION WITH FOLIC-ACID - DOES IT PREVENT NEURAL-TUBE DEFECTS JOURNAL OF NURSE-MIDWIFERY, 1992, 37 (01): : 25 - 32
- [3] FOLIC-ACID SUPPLEMENTATION AND NEURAL-TUBE DEFECTS CLINICAL AND INVESTIGATIVE MEDICINE, 1994, 17 (03): : 253 - 255
- [5] THE PREVENTION OF NEURAL-TUBE DEFECTS BY FOLIC-ACID SUPPLEMENTATION SOUTH AFRICAN MEDICAL JOURNAL, 1993, 83 (12): : 914 - 914
- [7] PERICONCEPTIONAL FOLIC-ACID EXPOSURE AND RISK OF OCCURRENT NEURAL-TUBE DEFECTS JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1993, 269 (10): : 1257 - 1261