Case Control Study
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. May 14, 2014; 20(18): 5519-5526
Published online May 14, 2014. doi: 10.3748/wjg.v20.i18.5519
Figure 1
Figure 1 Derivation and definition of the study population. HCV: Hepatitis C virus; DM: Diabetes; HTN: Hypertension.