P. Clarke

A new cause for CA19.9 elevation: heavy tea consumption

F. Al-Mulla, M. Sbai-Idrissi, O. Marty, 2003, Gut.

Bcl-2 expression and response to chemotherapy in colorectal adenocarcinomas.

H. J. Schneider, A. Norman, D. Cunningham, 1997, British Journal of Cancer.

K-ras mutations in patients with early colorectal cancers

A. Norman, D. Cunningham, P. Clarke, 1997, Gut.