Basic Research
Copyright ©The Author(s) 2002.
World J Gastroenterol. Feb 15, 2002; 8(1): 158-161
Published online Feb 15, 2002. doi: 10.3748/wjg.v8.i1.158
Table 1 The association between the severity of UC and smoking
Group/severitymildmoderatesevere
Smokers20115
Non-smokers1307232