title: Biomarkers increase detection of active smoking and secondhand smoke exposure in critically ill patients.
authors.affiliation: Department of Medicine, Pulmonary and Critical Care Division, University of California, San Francisco, CA, USA.
authors.forename: S Jean
authors.initials: SJ
authors.lastname: Hsieh
authors.forename: Lorraine B
authors.initials: LB
authors.lastname: Ware
authors.forename: Mark D
authors.initials: MD
authors.lastname: Eisner
authors.forename: Lisa
authors.initials: L
authors.lastname: Yu
authors.forename: Peyton
authors.initials: P
authors.lastname: Jacob
authors.forename: Christopher
authors.initials: C
authors.lastname: Havel
authors.forename: Maciej L
authors.initials: ML
authors.lastname: Goniewicz
authors.forename: Michael A
authors.initials: MA
authors.lastname: Matthay
authors.forename: Neal L
authors.initials: NL
authors.lastname: Benowitz
authors.forename: Carolyn S
authors.initials: CS
authors.lastname: Calfee