1. Pyonephrosis with nephrobronchial fistula;Crenshaw;Jour. Urol.,1933
2. Opening of a paranephritic abscess into the bronchus;Pleteneff;Voyenno—Med. Jour. St. Petersburg,1914
3. Recumbent posture cough with purulent expectoration. An indicative symptom in a case of perinephritic abscess which has ruptured into a bronchus;Von Deesten;Jour. Amer. Med. Assoc.,1924
4. Perinephritic abscess. Spontaneous rupture into the lung;Sanford;Jour. Missouri State Med. Assoc.,1928