title: Differential effects of chronic lead intoxication on circadian rhythm of ambulatory activity and on regional brain norepinephrine levels in rats.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D002940:Circadian Rhythm / Q000187:drug effects; D007855:Lead Poisoning / Q000503:physiopathology*; D008297:Male; D009043:Motor Activity / Q000187:drug effects*; D009638:Norepinephrine / Q000378:metabolism*; D051381:Rats; D013315:Stress, Psychological / Q000503:physiopathology
chemical_list: D009638:Norepinephrine