Lack of effect of a high-fiber cereal supplement on the recurrence of colorectal adenomas. - Alberts DS; Martínez ME; Roe DJ; Guillén-Rodríguez JM; Marshall JR; Van Leeuwen JB; Reid ME; Ritenbaugh C; Vargas PA; Bhattacharyya AB; Earnest DL; Sampliner RE; et al. (New England Journal of Medicine, 2000)