@article{article4101976c, title = {Nitric acid passivation does not affect in vitro biocompatibility of titanium}, author = {Faria, Adriana Cláudia Lapria and Beloti, Márcio M. and Rosa, Adalberto Luiz}, year = {2003}, journal = {International Journal of Oral and Maxillofacial Implants} }