Prevention of postoperative pulmonary infections by inhalation of micronized penicillin.
D035843:Biomedical Research; D006801:Humans; D010406:Penicillins / Q000008:administration & dosage*; D011014:Pneumonia; D011184:Postoperative Period; D012141:Respiratory Tract Infections
D010406:Penicillins
PENICILLIN/administration; PNEUMONIA