@article{article0952a547, title = {Molar extinction coefficients and the photon absorption efficiency of dental photoinitiators and light curing units}, author = {Neumann, Miguel Guillermo and Miranda Júnior, Walter Gomes and Cavalheiro, Carla Cristina Schmitt and Rueggerberg, Frederick A and Corrêa, Ivo Carlos}, year = {2005}, doi = {10.1016/j.jdent.2004.11.013}, journal = {Journal of Dentistry} }