title: Transtracheal aspiration in the diagnosis of lower respiratory tract infections.
mesh_terms: D001419:Bacteria / Q000302:isolation & purification; D001431:Bacteriological Techniques; D001996:Bronchopneumonia / Q000175:diagnosis; D002404:Catheterization; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D011014:Pneumonia / Q000175:diagnosis* / Q000382:microbiology; D013183:Sputum / Q000032:analysis / Q000382:microbiology*; D014132:Trachea / Q000378:metabolism / Q000382:microbiology*