Use of micrometric latex beads to improve the porosity of hydroxyapatite obtained by chemical coprecipitation method - Webler, G. D.; Rodrigues, W. C.; Silva, A. E. S.; Silva, A. O. S.; Fonsecae, E. J. S.; Otubo, L.; Barros Filho, D. A.; Degenhardt, M. F. S.; Oliveira, Cristiano Luis Pinto de (Applied Surface Science, 2018)