TY - RPRT TI - Long-term interactions between endogenous and exogenous opiates. AU - Y Sarne AU - Y Gothilf AU - B A Weissman PY - 1980 DO - 10.1016/0014-2999(80)90488-4 UR - https://pubmed.ncbi.nlm.nih.gov/7371720/ ID - 7371720 ER -