title: Primary clostridial pneumonia and empyrema.
mesh_terms: D003016:Clostridium perfringens / Q000472:pathogenicity*; D003920:Diabetes Mellitus; D004322:Drainage; D004653:Empyema / Q000188:drug therapy / Q000382:microbiology* / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged; D010406:Penicillins / Q000627:therapeutic use; D011014:Pneumonia / Q000188:drug therapy / Q000382:microbiology* / Q000601:surgery; D013902:Radiography, Thoracic
chemical_list: D010406:Penicillins