title: Acute and chronic tolerance to nicotine measured by activity in rats.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D003864:Depression, Chemical; D004305:Dose-Response Relationship, Drug; D004361:Drug Tolerance; D007274:Injections, Intraperitoneal; D008297:Male; D009043:Motor Activity / Q000187:drug effects*; D009538:Nicotine / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D013997:Time Factors
chemical_list: D009538:Nicotine