Amaral, I. F., Sampaio, P., & Barbosa, M. A. (2006). Three-dimensional culture of human osteoblastic cells in chitosan sponges: The effect of the degree of acetylation. Journal of Biomedical Materials Research - Part A, 76(2), 335 - 346.

Sousa, S. R., Moradas-Ferreira, P., & Barbosa, M. A. (2005). TiO2 type influences fibronectin adsorption. Journal of Materials Science: Materials in Medicine, 16(12), 1173 - 1178.