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发表于 2025-4-1 02:51:02
Studies of Multiple Morphine and Enkephalin Receptors: Evidence for Mu1 Receptors,ged, unlike enzymes which modify subtrates. The realization that subtypes of receptors for a ligand may exist has opened a number of possibilities in drug development and remains important. In the past, the classification of receptor subtypes rested heavily upon either classical bioassays or in vivo