title: Nicotine withdrawal in subthreshold smokers.
authors.forename: Joseph R
authors.initials: JR
authors.lastname: Difranza
mesh_terms: D006801:Humans; D009538:Nicotine / Q000009:adverse effects*; D012907:Smoking / Q000523:psychology*; D013375:Substance Withdrawal Syndrome / Q000209:etiology*
chemical_list: D009538:Nicotine