1. The organisation of oral mucosa;Squier,1976
2. Lipids of epidermis and keratinized and nonkeratinized oral epithelia;Wertz;Comp. Biochem. Physiol.,1986
3. Cellular and molecular basis of barrier function in oral epithelium;Wertz;Crit. Rev. Ther. Drug Carr. Syst.,1991
4. The surface area of the adult human mouth and thickness of the salivary film covering the thheth and oral mucosa;Collins;J. Dent. Res,1987
5. Regional differences of the oral mucosa;Squier,1976