An assessment of the Robertshaw double-lumen tube.
D000368:Aged; D000770:Anesthesia, Endotracheal / Q000295:instrumentation*; D000768:Anesthesia, General / Q000295:instrumentation*; D001980:Bronchi; D005260:Female; D006801:Humans; D007440:Intubation / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery