3[6]Pindborg JJ.Clinical relevance of precancerous lesions of oral mucosa[J].Recent Results Cancer Res,1994,134:9-16.
4[7]Ma RH,Tsai CC,Shieh TY.Increased Igsyi oxides activity in fibrolblasts from oral submucous fibrosis associated with betel nut chewing in Tin wan[J].J oral pathcl Med,1995,24(9):407-412.
5[10]Mather R,Lee AJ,Warnakuiusuriya KA,et al.Role of are nut in the causation of oral submucous fibrosis:a case-Control study in pakistan[J].Joral pathol Med,1994,23:65-69.
6[11]Haque MF,Harris M,Meghji S,et al.Immunolocalixation of CytoKines and growth factors in oral submucous fibrosis[J].Cytokine,1998,10(9):713-719.
