Sabir, A. (2017) “Impact of the use of Ethanolic Extract of Propolis, Flavonoid and Non-Flavonoid Propolis for Direct Pulp Capping in Collagen Type I Density”, Brazilian Journal of Oral Sciences. Limeira, SP, 15(4), pp. 264–268. doi: 10.20396/bjos.v15i4.8650037.