BACKGROUND Meta-analysis,a form of quantitative review,is an attempt to combine data from multiple independent studies to improve statistical power.Because of t
Occult hepatitis B virus(HBV)infection,by definition,is a state in which infection with this virus does not manifest with the conventional diagnostic laboratory
BACKGROUND Helicobacter pylori(H.pylori)infection is predominantly acquired in childhood.When indicated,the most accepted treatment for H.pylori eradication in