title: Response to comments by White and colleagues.
authors: Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Toronto, 144 College Street, Canada M5S 3M2, Toronto, Ontario, Canada.
authors: J Nicole
authors: JN
authors: Sweeting
authors: Division of Biomolecular Sciences, Faculty of Pharmacy, University of Toronto, 144 College Street, Canada M5S 3M2, Toronto, Ontario, Canada; Department of Pharmacology & Toxicology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada. Electronic address: pg.wells@utoronto.ca.
authors: Peter G
authors: PG
authors: Wells