Obstructive Sleep Apnea The Most Common Secondary Cause of Hypertension Associated With Resistant Hypertension - Pedrosa, Rodrigo P.; Drager, Luciano F.; Gonzaga, Carolina C.; Sousa, Marcio G.; Paula, Lílian K. G. de; Amaro, Aline C. S.; Amodeo, Celso; Bortolotto, Luiz A.; Krieger, Eduardo M.; Bradley, T. Douglas; Lorenzi-Filho, Geraldo (Hypertension, 2011)