“绞股蓝总甙对金地鼠颊囊癌前病变细胞动力学影响的研究，这一课题由上海第二医科大学附属第九人民医院、上海市口腔医学研究所周曾同教授等共同完成。该课题利用0.5％二甲基苯并蒽（DMBA）涂布诱导制作叙利亚金地鼠额囊癌前病变模型，要求有清晰的时间变化系列，并经病理证实 The study of the effect of Gynostemma pentaphyllum on the cellular dynamics of gold hamster cheek pouch precancerous lesions was completed by the Ninth People’s Hospital of Shanghai Second Medical University and Professor Zhou Zengtong of the Shanghai Institute of Stomatology. Induction of Syrian gold Hamster prefrontal cystic precancerous lesions using 0.5% dimethyl benzimidazole (DMBA) coating requires clear time series and pathological confirmation