title: European researchers encourage improvement in lab animal welfare.
authors.forename: B
authors.initials: B
authors.lastname: van Zutphen
mesh_terms: D032761:Animal Experimentation; D000827:Animal Welfare; D000818:Animals; D000830:Animals, Laboratory; D001717:Birds; D005060:Europe; D033161:Government Regulation; D017408:Guidelines as Topic; D051379:Mice; D012106:Research / Q000592:standards*; D014481:United States