On neural-tube defects: an epidemiological elicitation of etiological factors.
D000014:Abnormalities, Drug-Induced; D000428:Alcohol Drinking; D000757:Anencephaly / Q000453:epidemiology*; D000818:Animals; D000932:Antiemetics / Q000009:adverse effects; D002490:Central Nervous System / Q000196:embryology; D002493:Central Nervous System Diseases / Q000196:embryology; D003276:Contraceptives, Oral / Q000009:adverse effects; D004035:Diet Therapy; D005260:Female; D005315:Fetal Diseases / Q000453:epidemiology*; D006261:Headache / Q000188:drug therapy; D006801:Humans; D007251:Influenza, Human / Q000150:complications; D007501:Iron / Q000009:adverse effects; D008297:Male; D008892:Milk; D009747:Nutritional Physiological Phenomena; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D011827:Radiation; D016135:Spinal Dysraphism / Q000453:epidemiology*; D014815:Vitamins / Q000009:adverse effects
D000932:Antiemetics; D003276:Contraceptives, Oral; D014815:Vitamins; D007501:Iron