Use of closed circuit television and dual trace oscilloscopy to facilitate body plethysmography measurements.
D000328:Adult; D000368:Aged; D000403:Airway Resistance; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009991:Oscillometry; D010991:Plethysmography; D011312:Pressure; D012129:Respiratory Function Tests; D013690:Television; D014797:Vital Capacity