TY - GEN AU - Izquierdo,I AU - Paiva,A C AU - Elisabetsky,E TI - Post-training intraperitoneal administration of leu-enkephalin and beta-endorphin causes retrograde amnesia for two different tasks in rats SN - 0163-1047 PY - 1980///0514 KW - Animals KW - Avoidance Learning KW - drug effects KW - Endorphins KW - pharmacology KW - Enkephalins KW - Habituation, Psychophysiologic KW - Injections, Intraperitoneal KW - Male KW - Memory KW - Mental Recall KW - Rats N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0163-1047(80)91663-5 ER -