title: Bridge over troubled waters.
authors.affiliation: University of California, Berkeley, School of Public Health 94720-7360, USA.
authors.forename: T E
authors.initials: TE
authors.lastname: Novotny
authors.forename: J L
authors.initials: JL
authors.lastname: Nitzkin
mesh_terms: D006076:Government; D006801:Humans; D011634:Public Health / Q000191:economics; D012109:Research Support as Topic; D014481:United States