title: Amendments for additional animals: addition is significant.
authors.affiliation: Global Regulatory Compliance, Pfizer Global Research and Development, Worldwide Comparative Medicine, Groton, CT, USA.
authors.forename: Donna M
authors.initials: DM
authors.lastname: Zyry
authors.forename: Robert D
authors.initials: RD
authors.lastname: Gunnels
mesh_terms: D035661:Animal Care Committees / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D023401:Animal Use Alternatives / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data; D000818:Animals; D000830:Animals, Laboratory / Q000145:classification*; D004285:Dogs; D007878:Legislation as Topic; D023421:Models, Animal; D016134:Organizational Policy; D012107:Research Design / Q000706:statistics & numerical data; D013045:Species Specificity