1Lohr M,Maisonneuve P,Lowenfels AB. K-ras mutations and benigh pancreatic disease. Int J Pancreatol, 2000,27: 93-103.
2Mler P,Jesnowski R,Liebe S,et al. Simple method for DNA extraction from pancreatic juice for PCR amplification assays. Int J Pancreatol, 1999,25: 39-43.
3Hruban RH,Mansfeld A,Offerhaus G, et al. K ras oncogene acti vation in adenocarcinoma of the human pancreas. Am J Pathol,1993,143:545-554.
4Lüttges J,Diederichs A, Vogel I,et al. Ductal lesions in patients with chronic pancreatitis show K-ras mutations in a frequency similar to that in the normal pancreas and lack nuclear immunoreactivity for p53. Cancer, 2000,88: 2495-2504.
5Berger D,Chang H,Wood M, et al. Mutational activation of K-ras in nonneoplastic exocrine pancreatic lesion in relation to cigarette smoking status. Cancer, 1999,326-332.