title: Variability of urinary concentrations of polycyclic aromatic hydrocarbon metabolite in general population and comparison of spot, first-morning, and 24-h void sampling.
authors.forename: Zheng
authors.initials: Z
authors.lastname: Li
authors.forename: Lovisa C
authors.initials: LC
authors.lastname: Romanoff
authors.forename: Michael D
authors.initials: MD
authors.lastname: Lewin
authors.forename: Erin N
authors.initials: EN
authors.lastname: Porter
authors.forename: Debra A
authors.initials: DA
authors.lastname: Trinidad
authors.forename: Larry L
authors.initials: LL
authors.lastname: Needham
authors.forename: Donald G
authors.initials: DG
authors.lastname: Patterson
authors.forename: Andreas
authors.initials: A
authors.lastname: Sjödin