Methods to increase fruit and vegetable intake with and without a decrease in fat intake: compliance and effects on body weight in the Nutrition and Breast Health Study. - Djuric Z; Poore KM; Depper JB; Uhley VE; Lababidi S; Covington C; Klurfeld DM; Simon MS; Kucuk O; Heilbrun LK (Nutrition & Cancer, 2002)