title: Critical evaluation of common clinical parameters of postoperative pneumonia after thoracic surgery with perioperative prophylaxis.
mesh_terms: D004359:Drug Therapy, Combination / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008802:Mezlocillin / Q000627:therapeutic use*; D008875:Middle Aged; D010068:Oxacillin / Q000627:therapeutic use*; D011014:Pneumonia / Q000175:diagnosis / Q000517:prevention & control*; D011183:Postoperative Complications / Q000175:diagnosis / Q000517:prevention & control*; D013903:Thoracic Surgery; D013908:Thoracotomy
chemical_list: D008802:Mezlocillin; D010068:Oxacillin