title: Novel opioid peptides derived from hemoglobin: hemorphins.
mesh_terms: D000818:Animals; D002417:Cattle; D002851:Chromatography, High Pressure Liquid; D004723:Endorphins / Q000032:analysis* / Q000494:pharmacology; D006168:Guinea Pigs; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010446:Peptide Fragments / Q000032:analysis*
chemical_list: D004723:Endorphins; D006454:Hemoglobins; D010446:Peptide Fragments; C049857:hemorphin 4; C049858:hemorphin 5