title: The significance of Klebsiella in the respiratory tract of hospital patients.
mesh_terms: D000368:Aged; D000667:Ampicillin / Q000009:adverse effects; D003428:Cross Infection; D005260:Female; D006801:Humans; D007709:Klebsiella / Q000472:pathogenicity*; D007710:Klebsiella Infections / Q000188:drug therapy / Q000401:mortality; D008297:Male; D011014:Pneumonia / Q000209:etiology; D012141:Respiratory Tract Infections; D013183:Sputum / Q000032:analysis; D013752:Tetracycline / Q000627:therapeutic use
chemical_list: D000667:Ampicillin; D013752:Tetracycline