title: Prevention of hyperemesis gravidarum is better than treatment.
authors.forename: A E
authors.initials: AE
authors.lastname: Czeizel
mesh_terms: D004338:Drug Combinations; D005260:Female; D006801:Humans; D006939:Hyperemesis Gravidarum / Q000517:prevention & control*; D011247:Pregnancy; D014815:Vitamins / Q000627:therapeutic use*
chemical_list: D004338:Drug Combinations; D014815:Vitamins