%0 Journal Article %T Validity of Methods Used to Assess Vitamin and Mineral Supplement Use %A Patterson, Ruth E. %A Kristal, Alan R. %A Levy, Lisa %A McLerran, Dale %A White, Emily %J American Journal of Epidemiology %V 148 %N 7 %P 643-649 %@ 0002-9262 %D 1998-10-01 %I Oxford University Press %~ DeepDyve