Two-field radical lymphadenectomy in the treatment of esophageal carcinoma. - Torres,A.J.; Sanchez-Pernaute,A.; Hernando,F.; Diez Valladares,L.; Gonzalez Lopez,O.; Perez Aguirre,E.; Suarez,A.; Balibrea,J.L. (Dis Esoph, 1999)