The challenge of balancing experimental variables: pain, distress, analgesia, and anesthesia.
Loew
F M
FM
School of Veterinary Medicine, Tufts University, North Grafton, MA 01536.
D000698:Analgesia / Q000662:veterinary*; D000758:Anesthesia / Q000662:veterinary*; D000827:Animal Welfare; D000818:Animals; D000830:Animals, Laboratory; D010146:Pain / Q000662:veterinary*; D012107:Research Design