Márcio Macedo, Caio Almeida, Antonio Souza, Josildo Silva, Antonio Apolinário Jr., and Gilson Giraldi. 2014. A Markerless Augmented Reality Environment for Medical Data Visualization. In Proceedings of the 14th Medical Informatics Workshop, July 28, 2014, Brasília/DF, Brasil. SBC, Porto Alegre, Brasil, 1714-1723.