title: HEMOPTYSIS OF UNDETERMINED ETIOLOGY.
mesh_terms: D001995:Bronchography; D001999:Bronchoscopy; D019411:Clinical Laboratory Techniques; D003937:Diagnosis, Differential; D006469:Hemoptysis; D006801:Humans; D008171:Lung Diseases; D008175:Lung Neoplasms; D013902:Radiography, Thoracic; D013183:Sputum
keywords: BRONCHOGRAPHY; BRONCHOSCOPY; DIAGNOSIS, DIFFERENTIAL; DIAGNOSIS, LABORATORY; HEMOPTYSIS; LUNG DISEASES; LUNG NEOPLASMS; SPUTUM; THORACIC RADIOGRAPHY