Effects and mechanisms of Herba Dendrobii on rats with stomach-heat syndrome Metabolites of Gegen Qinlian Dispensing Granule in urine of rats with large intestinal damp-heat syndrome Metabolites of Gegen Qinlian Dispensing Granule in urine of rats with large intestinal damp-heat syndrome Differences in effective mechanisms of Coptidis Rhizoma and bile processed Coptidis Rhizoma on heat syndrome based on urinary metabonomics Clinical observation of Qingfei Xiaoyan Pill in treatment of lung phlegm heat syndrome in children with acute bronchitis Clinical study on Changyanning Granule in treatment of children with dyspesia Physiological effects of cold and cool Chinese herbal medicine of channel tropism of stomach on rats with stomach-heat syndrome