. "an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere"@en-us . . "113965872"@en-us . . "enkephalin"@en-us . . "14809373-n"^^ . "0"^^ . . . "0.125"^^ . . "enkephalin"^^ . "110623912"@en-us . . "an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere"@en-us . . "114809373"^^ .