title: Potentiation of clonidine analgesia by amitriptyline.
mesh_terms: D000639:Amitriptyline / Q000627:therapeutic use*; D000698:Analgesia; D000818:Animals; D003000:Clonidine / Q000627:therapeutic use*; D004357:Drug Synergism; D008297:Male; D051379:Mice; D009270:Naloxone / Q000494:pharmacology; D015016:Yohimbine / Q000494:pharmacology
chemical_list: D000639:Amitriptyline; D015016:Yohimbine; D009270:Naloxone; D003000:Clonidine