Monitoring the electric activity of the diaphragm during noninvasive positive pressure ventilation: a case report - Silva, Fabia Diniz; Moriya, Henrique Takachi; Alencar, Adriano Mesquita; Caruso, Pedro; Costa, Eduardo L. V; Ferreira, Juliana Carvalho; Moriya, Henrique Takachi (BMC Pulmonary MedicineBMC series – open, inclusive and trusted, 2017)