Togo T, Hasumi T, Hoshi F, Hoshikawa Y, Okada Y, Saito Y. [Vacuum-assisted Closure Therapy for Residual Space after Open Window Thoracotomy for Pleural Empyema due to Bronchopleural Fistula]. Kyobu geka. The Japanese journal of thoracic surgery. 2016. 69. 5. 348-351