title: Indwelling catheter for infusions into subcutaneous tissue of freely-moving rats.
mesh_terms: D000818:Animals; D002408:Catheters, Indwelling / Q000295:instrumentation*; D004305:Dose-Response Relationship, Drug; D007279:Injections, Subcutaneous / Q000295:instrumentation*; D009020:Morphine / Q000008:administration & dosage / Q000097:blood; D009619:Nociceptors / Q000187:drug effects; D010424:Pentobarbital / Q000008:administration & dosage / Q000097:blood; D051381:Rats
chemical_list: D009020:Morphine; D010424:Pentobarbital