title: Halothane vapour warnings.
mesh_terms: D000022:Abortion, Spontaneous / Q000139:chemically induced; D000758:Anesthesia / Q000662:veterinary*; D000818:Animals; D005260:Female; D005313:Fetal Death; D006221:Halothane / Q000009:adverse effects*; D006801:Humans; D009609:Nitrous Oxide / Q000009:adverse effects; D011247:Pregnancy; D014691:Ventilation; D014730:Veterinary Medicine
chemical_list: D009609:Nitrous Oxide; D006221:Halothane