Sari, D. M., Duquia, R. de C., Martos, J., & Osinaga, P. W. R. (2010). Flexural strength and modulus of elasticity of four dental composites polymerized with light emitting diode (LED) and halogen light. Brazilian Dental Science, 9(3). https://doi.org/10.14295/bds.2006.v9i3.244