title: The changing world of marine mammal regulations.
authors.affiliation: US Department of Agriculture, Animal and Plant Health Inspection Service, Riverdale, Md. 20737-1234, USA.
authors.forename: B A
authors.initials: BA
authors.lastname: Kohn
mesh_terms: D000827:Animal Welfare / Q000331:legislation & jurisprudence*; D000818:Animals; D010872:Caniformia; D002591:Cetacea; D010041:Otters; D012623:Seawater; D020455:Trichechus; D014481:United States; D001503:Ursidae