title: Effects of changing dosage and urinary pH in rats self-administering nicotine on a food delivery schedule.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D005502:Food; D006863:Hydrogen-Ion Concentration; D009538:Nicotine / Q000008:administration & dosage*; D051381:Rats; D012055:Reinforcement Schedule; D012646:Self Administration / Q000379:methods; D014556:Urine
chemical_list: D009538:Nicotine