title: p-Chlorophenylalanine antagonism of the analgesia and increase in brain noradrenaline metabolism produced by morphine.
mesh_terms: D000698:Analgesia; D000818:Animals; D001921:Brain / Q000187:drug effects* / Q000378:metabolism; D010134:Fenclonine / Q000494:pharmacology*; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009638:Norepinephrine / Q000378:metabolism*; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D009020:Morphine; D010134:Fenclonine; D009638:Norepinephrine