title: Nicotine: cotinine levels in blood during cessation of smoking.
mesh_terms: D003367:Cotinine / Q000097:blood*; D004299:Dopamine beta-Hydroxylase / Q000097:blood; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D009538:Nicotine / Q000097:blood*; D011760:Pyrrolidinones / Q000097:blood*; D012008:Recurrence; D012744:Sex Ratio; D012907:Smoking
chemical_list: D011760:Pyrrolidinones; D009538:Nicotine; D004299:Dopamine beta-Hydroxylase; D003367:Cotinine