TY - RPRT TI - Antagonism of endogenous opioids modulates memory processing. AU - J F Flood AU - A Cherkin AU - J E Morley PY - 1987 DO - 10.1016/0006-8993(87)90929-2 UR - https://pubmed.ncbi.nlm.nih.gov/3676787/ ID - 3676787 ER -