The opiate receptors.
D000818:Animals; D002478:Cells, Cultured; D046508:Culture Techniques; D004745:Enkephalins / Q000502:physiology; D006801:Humans; D008968:Molecular Conformation; D011957:Receptors, Opioid / Q000302:isolation & purification / Q000378:metabolism*; D014018:Tissue Distribution
D004745:Enkephalins; D011957:Receptors, Opioid