Carlos André Guimarães Ferraz Juliana R. Basto Diniz Supporting the Ubiquitous Doctor. 1-23 2010 2 Int. J. Adv. Pervasive Ubiquitous Comput. 4 https://doi.org/10.4018/IJAPUC.2010100101 db/journals/ijapuc/ijapuc2.html#FerrazD10