1. Biological testing of dental and surgical materials by means of tissue culture;Kawahara,1965
2. Future vision of implantology;Kawahara,1980
3. Cellular response to implant materials;Kawahara;Inter Dent J,1983
4. Materials for hard tissue replacement;Kawahara,1986
5. Biological testing of dental materials by means of tissue culture;Kawahara;Inter Dent J,1968