@misc{miscc4b8d86f, title = {Comparison of radiopacity of polymeric materials}, author = {Esmeral Leal, Luisa Isabel and Pereira, L. C. G. and Tavano, Orivaldo and Pereira, M. A. and Francisconi, Paulo Afonso Silveira and Araújo, Paulo Amarante de and Carvalho, Ricardo Marins de}, year = {2002}, booktitle = {General Session of the IADR} }