Original Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jun 28, 2009; 15(24): 2995-3002
Published online Jun 28, 2009. doi: 10.3748/wjg.15.2995
Table 4 Results of acute toxicity test of Fe2O3
GroupsDose (g/kg)LogNDeaths (N)Mortality % (p)Survival % (q)p×q
110.001.000101010000.00
27.070.84910440600.24
35.000.69910440600.24
43.500.54410220800.16
52.500.39810001000.00
61.750.24310110900.09
71.250.09710001000.00
i = 0.15∑p = 2.1