title: Tobacco and nicotine self-administration in humans: the evolution of a methodology.
mesh_terms: D003365:Costs and Cost Analysis; D005260:Female; D006801:Humans; D008297:Male; D009538:Nicotine / Q000008:administration & dosage* / Q000032:analysis / Q000097:blood; D010865:Pilot Projects; D010947:Plants, Toxic; D012646:Self Administration; D012907:Smoking / Q000523:psychology*; D013997:Time Factors; D014026:Nicotiana / Q000032:analysis
chemical_list: D009538:Nicotine