title: Questions updated euthanasia guidelines.
authors: George
authors: G
authors: Bates
mesh_terms: D000827:Animal Welfare; D000818:Animals; D002245:Carbon Dioxide / Q000008:administration & dosage*; D037901:Euthanasia, Animal / Q000379:methods*; D019317:Evidence-Based Medicine
chemical_list: D002245:Carbon Dioxide