Circulatory responses to intermittent positive and alternating positive-negative pressure respirators.
D001794:Blood Pressure / Q000502:physiology*; D001795:Blood Pressure Determination; D006321:Heart; D006801:Humans; D012122:Ventilators, Mechanical; D015919:Ventilators, Negative-Pressure
BLOOD PRESSURE/physiology; HEART; RESPIRATORS