GuiErBai: a potent inhibitor, exhibiting broadly antitumor effect against cervical cancer in vitro and in vivo oleh Hong-en Qin, Lei Peng, Yuan-cui Xu, Zi-xiong Zhang, Ren-fu Tian, Zhong-xian Wan, Dao-jing Pu, Hong-chun Li, Fei Wu, Liangdong Zheng, Xian-shun Xu