title: Bidirectional effect of naloxone on emotionally conditioned digitalis toxicity.
mesh_terms: D000818:Animals; D003214:Conditioning, Classical / Q000187:drug effects*; D004071:Digitalis Glycosides / Q000506:poisoning*; D004305:Dose-Response Relationship, Drug; D004597:Electroshock; D005239:Fear / Q000187:drug effects*; D006168:Guinea Pigs; D008297:Male; D009270:Naloxone / Q000008:administration & dosage*; D011930:Reaction Time / Q000187:drug effects
chemical_list: D004071:Digitalis Glycosides; D009270:Naloxone