A Novel Berberine–Glycyrrhizic Acid Complex Formulation Enhanced the Prevention Effect to Doxorubicin-Induced Cardiotoxicity by Pharmacokinetic Modulation of Berberine in Rats oleh Shichang Zhang, Shichang Zhang, Yiwei Zhao, Yiwei Zhao, Liangjun Tan, Liangjun Tan, Sheng Wu, Sheng Wu, Qing Zhang, Qing Zhang, Boxin Zhao, Boxin Zhao, Guofeng Li, Guofeng Li, Guofeng Li