Della Bella, D Opiate receptors: different ligand affinity in various brain regions. [electronic resource] - Advances in biochemical psychopharmacology 1978 - 271-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0065-2229 Subjects--Topical Terms: AnimalsBinding, CompetitiveBrain--metabolismCyclazocine--analogs & derivativesDogsEnkephalins--metabolismEthanolamines--metabolismLigandsMorphine--metabolismMorphine Derivatives--metabolismReceptors, Opioid--metabolismStereoisomerismTime Factors