共 50 条
- [3] NEW UNCERTAINTIES IN PRENATAL SCREENING FOR NEURAL-TUBE DEFECT BRITISH MEDICAL JOURNAL, 1981, 282 (6279): : 1870 - 1870
- [5] NEW UNCERTAINTIES IN PRENATAL SCREENING FOR NEURAL-TUBE DEFECT BRITISH MEDICAL JOURNAL, 1981, 282 (6274): : 1416 - 1418
- [6] NEW UNCERTAINTIES IN PRENATAL SCREENING FOR NEURAL-TUBE DEFECT BRITISH MEDICAL JOURNAL, 1981, 283 (6285): : 229 - 230
- [7] NEW UNCERTAINTIES IN PRENATAL SCREENING FOR NEURAL-TUBE DEFECT BRITISH MEDICAL JOURNAL, 1981, 282 (6282): : 2131 - 2131
- [8] NEW UNCERTAINTIES IN PRENATAL SCREENING FOR NEURAL-TUBE DEFECT BMJ-BRITISH MEDICAL JOURNAL, 1981, 282 (6279): : 1870 - 1870