Bone response to porous alumina implants coated with bioactive materials, observed using different characterization techniques - Camilo, Claudia Cristiane; Silveira, Celey Aparecida Eugênio; Faeda, Rafael S.; Rollo, João Manuel Domingos de Almeida; Purquerio, Benedito de Moraes; Fortulan, Carlos Alberto (Journal of Applied Biomaterials & Functional Materials, 2017)