TY - GEN AU - Izquierdo,L A AU - Barros,D M AU - Medina,J H AU - Izquierdo,I TI - Stress hormones enhance retrieval of fear conditioning acquired either one day or many months before SN - 0955-8810 PY - 2002///0919 KW - Adrenocorticotropic Hormone KW - pharmacology KW - Animals KW - Anxiety KW - psychology KW - Avoidance Learning KW - drug effects KW - Conditioning, Psychological KW - Electroshock KW - Epinephrine KW - Extinction, Psychological KW - Fear KW - Hormones KW - Lypressin KW - Male KW - Memory KW - Motor Activity KW - Rats KW - Rats, Wistar KW - Stress, Psychological KW - physiopathology KW - beta-Endorphin N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1097/00008877-200205000-00003 ER -