Original Articles
Copyright ©The Author(s) 1999.
World J Gastroenterol. Feb 15, 1999; 5(1): 53-56
Published online Feb 15, 1999. doi: 10.3748/wjg.v5.i1.53
Table 3 mdr-1 gene expression in Sun Shao-Qian’s grading system of squamous cell carcinoma of esophagus (n = 17)
GradeNo. of positive casesPositiverate (%)
II635
II840
III333