title: How do you categorize an animal's natural life span? 100% E.
authors.affiliation: Regulatory Compliance, Research Animal Welfare, St. Louis, MO, USA.
authors.forename: Mary Lou
authors.initials: ML
authors.lastname: James
mesh_terms: D035661:Animal Care Committees; D000827:Animal Welfare / Q000592:standards; D000818:Animals; D000830:Animals, Laboratory; D008136:Longevity / Q000502:physiology*; D051379:Mice / Q000502:physiology*; D010146:Pain / Q000662:veterinary*