Paroli, E Clinical and experimental evidence of an opiate-like activity of lefetamine. [electronic resource] - Pharmacological research communications Sep 1984 - 915-22 p. digital Publication Type: Case Reports; Journal Article ISSN: 0031-6989 Standard No.: 10.1016/s0031-6989(84)80028-4 doi Subjects--Topical Terms: AnimalsGuinea PigsHumansIleum--drug effectsIn Vitro TechniquesMaleMiceMiddle AgedMuscle Contraction--drug effectsMuscle, Smooth--drug effectsNaloxone--pharmacologyNociceptors--drug effectsPhenethylamines--pharmacologyReceptors, Opioid--drug effectsSubstance Withdrawal SyndromeSubstance-Related Disorders