Bernstein, C., Bernstein, H., Payne, C. M. and Garewal, H. (2000) “Field defects in progression to adenocarcinoma of the colon and esophagus”, Electronic Journal of Biotechnology. Valparaíso, Chile, 3(3), pp. 0–0. Available at: https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v3n3-1 (Accessed: 19 September 2024).