Woodruff W W, Gamba J L, Putman C E, Chen J T
South Med J. 1986 Apr;79(4):510-2. doi: 10.1097/00007611-198604000-00031.
We have described an unusual variant of bronchopleural fistula whose ball valve characteristics led to a chronic tension pneumothorax without fluid collection in a postpneumonectomy space.