1. Effect of distention of gallbladder with air and its relationship to acute pneumocholecystitis;Heifetz;Ann. Surg.,1955
2. Acute pneumocholecystitis;Heifetz;Surg., Gynec. & Obst.,1948
3. Gangrene of the gall bladder;Lobingier;Ann. Surg.,1908
4. Acute gas producing cholecystitis;Tanner;Surg., Gynec. & Obst.,1921
5. Ueber einem Fall von Gasbrand der Gallenblase;Kirchmayr;Zentralbl. f. Chir.,1925