[Distal colorectal neoplasms as predictors for proximal advanced neoplasms in average-risk, asymptomatic subjects. Experience from the Norwegian colorectal cancer prevention study (NORCCAP)]

Gondal G, Grotmol T, Hofstad B, Bretthauer M, et al. [Distal colorectal neoplasms as predictors for proximal advanced neoplasms in average-risk, asymptomatic subjects. Experience from the Norwegian colorectal cancer prevention study (NORCCAP).] GUT 2003;52:398-403