probes
INTERVENTIONS: Spontaneous route of breathing was qualitatively assessed using       oral and nasal thermistor probes, and was then quantified using a dual       compartment face mask with attached pneumotachographs.
INTERVENTIONS: Spontaneous route of breathing was qualitatively assessed using       oral and nasal  @OBJECT$  @PREDICAT$  @SUBJECT$ , and was then quantified using a dual       compartment face mask with attached pneumotachographs.