title: Ventilation and perfusion of the lungs before and during blockade of one of the main bronchi.
mesh_terms: D000768:Anesthesia, General; D001980:Bronchi / Q000502:physiology*; D001999:Bronchoscopy; D005260:Female; D006221:Halothane; D006801:Humans; D007440:Intubation; D008297:Male; D008722:Methods; D011652:Pulmonary Circulation; D011868:Radioisotopes; D012119:Respiration; D013147:Spirometry; D013997:Time Factors; D014692:Ventilation-Perfusion Ratio; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon; D006221:Halothane