Development and preliminary tests of a portable volumetric capnograph for outpatient use
Francisco Ubaldo Vieira Junior1,2, Denilson Antônio Marques3, Natalie Camila dos Reis Silva3, Maria Ângela Gonçalves de Oliveira Ribeiro4, Marcos Melo Moreira4, Ilma Aparecida Paschoal4, Isadora Minuzzi Vieira3, Eduardo Tavares Costa2,3