1. Hardness of dentin after clinical excavation of soft dentin;Terashima;Jpn J Conserv Dent,1960
2. Relationship between hardness, discoloration and microbial invasion in carious dentin;Fusayama;J Dent Res,1966
3. Recalcification of artificially decalcified dog dentin in vivo;Kato;J Dent Res,1970
4. Differentiation of two layers of carious dentin by staining;Fusayama;Bull Tokyo Med Dent Univ,1972
5. Electron microscope structure of the two layers of carious dentin;Ohgushi;J Dent Res,1975