title: Letters: Requirements for testing of hypotheses about molecular coding of experience: transfer studies.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D003058:Cockroaches; D003530:Cyprinidae; D008568:Memory; D051379:Mice; D008968:Molecular Conformation; D010455:Peptides / Q000494:pharmacology*; D051381:Rats
chemical_list: D010455:Peptides