Effect of 3-5 years of scheduled CEA and CT follow-up to detect recurrence of colorectal cancer: FACS randomized controlled trial. - Mant, D; Perera, R; Gray, A; Rose, P; Fuller, A; Corkhill, A; George, S; Little, L; Regan, S; Mellor, J; Pugh, SA; Northover, J; et al. (JOURNAL OF CLINICAL ONCOLOGY, 2013)