http://dx.doi.org/10.1590/rbeb.2014.017 Control system for continuous positive airway pressure Oliveira, Mileny Ximenes; Capistrano, Amilton dos Reis; Rosa, Suélia de Siqueira R. F.; Silva, José Felicio; Rocha, Adson Ferreira da; Carvalho, Hervaldo Sampaio MORE