@article{articleaa11fb98, title = {Influence of photoactivation method on conversion, mechanical properties, degradation in ethanol and contraction stress of resin-based materials}, author = {Witzel, Marcelo Ferreira and Calheiros, Fernanda Calabró and Gonçalves, Flávia and Kawano, Yoshio and Braga, Roberto Ruggiero}, year = {2005}, doi = {10.1016/j.jdent.2005.02.005}, journal = {Journal of Dentistry} }