title: Haptoglobin genotype modifies the association between dietary vitamin C and serum ascorbic acid deficiency.
authors.affiliation: Department of Nutritional Sciences, University of Toronto, Toronto, Canada.
authors.forename: Leah E
authors.initials: LE
authors.lastname: Cahill
authors.forename: Ahmed
authors.initials: A
authors.lastname: El-Sohemy