title: Influenza and neural-tube defects.
mesh_terms: D002490:Central Nervous System / Q000002:abnormalities*; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000209:etiology; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007251:Influenza, Human; D008423:Maternal Age; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D014481:United States