*Yamaguchi K, Ki-ras codon 12 point and P53 mutations: a molecular examination of the main tumor, liver, portal vein, peripheral arterial blood and para-aortic lymph node in pancreatic cancer, Am J Gastroenterol 2000 Aug 95(8) | *Yamaguchi K, Ki-ras codon 12 point and P53 mutations: a molecular examination of the main tumor, liver, portal vein, peripheral arterial blood and para-aortic lymph node in pancreatic cancer, Am J Gastroenterol 2000 Aug 95(8) |