TY - GEN AU - Brambilla,F AU - Casanueva,F AU - Lovati,C AU - Peñalva,A AU - Madeddu,A AU - Martinez-Campos,A AU - Müller,E E TI - Lack of tolerance in heroin-addicts to the neuroendocrine effects of an enkephalin analogue SN - 0024-3205 PY - 1981///1118 KW - Adult KW - D-Ala(2),MePhe(4),Met(0)-ol-enkephalin KW - Drug Tolerance KW - Endorphins KW - pharmacology KW - Enkephalins KW - Follicle Stimulating Hormone KW - blood KW - Growth Hormone KW - Heroin Dependence KW - physiopathology KW - Hormones KW - Humans KW - Luteinizing Hormone KW - Male KW - Prolactin KW - Thyrotropin KW - Time Factors N1 - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1016/0024-3205(81)90216-2 ER -