Persistence of visible cavity in acute nonspecific primary lung abscess.
D005260:Female; D006801:Humans; D008169:Lung Abscess / Q000188:drug therapy*; D008297:Male; D010400:Penicillin G / Q000627:therapeutic use*; D013902:Radiography, Thoracic; D013752:Tetracycline / Q000627:therapeutic use*
D013752:Tetracycline; D010400:Penicillin G