Bronchoalveolar lavage.
D001980:Bronchi / Q000166:cytology*; D001999:Bronchoscopy; D005336:Fiber Optic Technology / Q000295:instrumentation; D006801:Humans; D011650:Pulmonary Alveoli / Q000166:cytology*; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000628:therapy; D007507:Therapeutic Irrigation