1. Percutaneous absorption;Barr;J. Pharmaceut. Sci.,1962
2. Fundamentals of Keratinization;Butcher,1962
3. Topical medication;Dobbs;J.A.D.A.,1944
4. Studies on the permeability of the oral mucosa;Kawamura;J. D. Res.,1960
5. Studies on the permeability of the oral mucosa;Kawamura;J. D. Res.,1962