Medeiros, G. S.; Lago, A. D. N.; Azevedo, C. S. de; Garbui, B. U.; Matos, A. B. Influence of Specimen Aging Protocol on Hybrid Layer Formation: A SEM Longitudinal Study. Clin Lab Res Dent 2014, 20 (1), 54-62. https://doi.org/10.11606/issn.2357-8041.v20i1p54-62.