title: A systems approach to a complex problem.
authors.forename: David
authors.initials: D
authors.lastname: Méndez
mesh_terms: D000383:Agriculture / Q000331:legislation & jurisprudence*; D006801:Humans; D011640:Public Policy; D016540:Smoking Cessation / Q000331:legislation & jurisprudence* / Q000379:methods; D018511:Systems Integration; D013598:Systems Theory; D014026:Nicotiana / Q000009:adverse effects*; D014481:United States