@article{articledae77699, title = {Comparative sem and tem observations of nanoleakage within the hybrid layer}, author = {Sano, H and Yoshiyama, M and Ebisu, S and Burrow, M F and Takatsu, T and Ciucchi, B and Carvalho, R M and Pashley, D H}, year = {1995}, journal = {Operative Dentistry} }