title: Dynorphin-(1-13): effects in nontolerant and morphine-dependent rhesus monkeys.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D004361:Drug Tolerance; D004399:Dynorphins; D004723:Endorphins / Q000494:pharmacology*; D006801:Humans; D008253:Macaca mulatta; D009021:Morphine Dependence / Q000523:psychology*; D010446:Peptide Fragments / Q000494:pharmacology*
chemical_list: D004723:Endorphins; D010446:Peptide Fragments; C026843:dynorphin (1-13); D004399:Dynorphins