SEARCH Articles Figures Tables Analgesia role of delta opioid receptor Antinociception delta receptor-mediated Brain delta receptor sites Cloning delta receptors Delta Delta glutamate receptor Delta opioid receptor Delta opioid receptor ligands Delta opioid receptor role in analgesia Delta opioid receptor studies Delta opioid receptors signal transduction Delta receptors activation Delta receptors adenylate cyclase Delta receptors analogues Delta receptors concentration increase Delta receptors density Delta receptors distribution Delta receptors heterogeneity Delta receptors hydromorphone Delta receptors interactions) Delta receptors morphine Delta receptors nonpeptide Delta receptors peptide Delta receptors spinal Delta receptors subtypes Delta receptors superfamily Delta receptors supraspinal Delta-receptor-selective peptide Delta-selective opioid receptor Delta-selective opioid receptor agonists Delta-selective opioid receptor antagonists Dopamine delta receptor effect Enkephalin analogs delta receptors Gastrointestinal tract delta receptors Neuroblastoma delta receptors Opiate receptors delta Opioid analgesics delta-receptor selective Opioid receptor subtypes delta Opioids delta receptor Receptors) delta analgesic Selective delta receptor ligand Spinal cord delta receptors The delta receptor (A)