Portable volume ventilators.
D000328:Adult; D000403:Airway Resistance; D002675:Child, Preschool; D011211:Electric Power Supplies; D004777:Environment; D004867:Equipment Design / Q000592:standards*; D004868:Equipment Failure; D004869:Equipment Safety / Q000592:standards; D005069:Evaluation Studies as Topic; D006801:Humans; D008170:Lung Compliance; D011175:Positive-Pressure Respiration / Q000295:instrumentation*; D012122:Ventilators, Mechanical / Q000592:standards*; D014939:Work of Breathing