Background: The technique of Microscopy has been applied for identification of ChineseMateriaMedica(CMM)since decade......

款冬花为菊科植物款冬(Tussilago farfara L.)的干燥花蕾,临床用于治疗咳嗽、支气管炎和哮喘.本研究收集了来自中国北方五个省的26......