Doppler ultrasound flowmeter in evaluation of tracheobronchial compression.
D016122:Brachiocephalic Trunk / Q000002:abnormalities*; D001982:Bronchial Diseases / Q000175:diagnosis* / Q000209:etiology; D004724:Endoscopy / Q000379:methods; D006801:Humans; D012212:Rheology; D014133:Tracheal Diseases / Q000175:diagnosis* / Q000209:etiology; D014463:Ultrasonography