Research Article
Comparative Pharmacokinetics and Metabolic Profile of Rhein Following Oral Administration of Niuhuang Shang Qing Tablets, Rhubarb and Rhein in Rats
Yu Zhang ,
Huiling Ma ,
Xi Mai ,
Zhaoxing Xu ,
Yongchao Yang ,
Huanlu Wang ,
Leiting Ouyang and Shuhao Liu