Research on medication regularity of pattern of internal accumulation of zhuodu in chronic atrophic gastritis based on correspondence between prescription and syndrome Effect of mica monomer granule on gastrin,somatostatin and G cells as well as D cells of gastric mucosa in CAG rat Effect of mica granule on the expression of gene-protein associated with cancer in gastric mucosa tissue of chronic atrophic gastritis rats Effect of Xiaopiling Granules on the Treatment of Gastric Precancerous Changes as Detected by Image Analyzer and Electronic Microscope Effects of Xiangsha Liujunzi decoction on TLR signal pathway in gastric mucosa tissues of rats with Helicobacter pylori-induced chronic atrophic gastritis