[Bacteriological and cytological examination in infections of the lower respiratory tract].
D001431:Bacteriological Techniques; D006801:Humans; D012141:Respiratory Tract Infections / Q000175:diagnosis* / Q000382:microbiology* / Q000473:pathology; D013048:Specimen Handling; D013183:Sputum / Q000166:cytology* / Q000382:microbiology*