title: [Opioid peptides and their receptors].
mesh_terms: D000818:Animals; D004723:Endorphins / Q000378:metabolism*; D006801:Humans; D011957:Receptors, Opioid / Q000378:metabolism*
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid
vernacular_title: Opioidipeptidit ja niiden reseptorit.