title: Herbicide use and incidence of neural-tube defects.
mesh_terms: D001315:Australia; D004147:Dioxins / Q000633:toxicity*; D004781:Environmental Exposure; D006801:Humans; D007231:Infant, Newborn; D009436:Neural Tube Defects / Q000139:chemically induced / Q000453:epidemiology*; D012621:Seasons
chemical_list: D004147:Dioxins