An improved algesimeter for rats.
D000698:Analgesia; D000818:Animals; D006358:Hot Temperature; D009020:Morphine / Q000494:pharmacology; D010146:Pain; D010600:Pharmacology / Q000295:instrumentation; D010827:Physiology / Q000295:instrumentation*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013623:Tail
D009020:Morphine