title: Dependence of the Avfail effect on the sequence of training operations.
mesh_terms: D000818:Animals; D001245:Association Learning / Q000187:drug effects*; D001362:Avoidance Learning / Q000187:drug effects*; D004326:Drinking / Q000187:drug effects; D007858:Learning / Q000187:drug effects*; D008094:Lithium / Q000506:poisoning*; D008297:Male; D010424:Pentobarbital / Q000494:pharmacology*; D051381:Rats; D012439:Saccharin; D013649:Taste / Q000187:drug effects*
chemical_list: D008094:Lithium; D012439:Saccharin; D010424:Pentobarbital