11. Deeper anaerobic soft-tissue infections are necrotizing fasciitis, necrotizing synergistic cellulitis, gas gangrene and crepitus cellulitis. 12. Carbon monoxide poisoning, gas gangrene , and decompression sickness ( the'bends') are sometimes addressed with this therapy. 13. She is also known for preparing, during 1935-1936, the standard for gas gangrene toxins and anti-toxins. 14. Rare human infections can lead to gas gangrene are often fatal particularly after wounds or drug use. 15. He published work on gas gangrene . 16. Welch's research was principally in bacteriology, and he is the discoverer of the organism that causes gas gangrene . 17. However, it also complicated the survivors'recuperation, as organisms in the swamp caused infection, with the potential for gas gangrene . 18. Gas gangrene caused by " Clostridium septicum " is associated with colorectal cancer and other defects of the bowel.19. Oxygen gas is poisonous to the anaerobic bacteria that cause gas gangrene , so increasing its partial pressure helps kill them. 20. By the time he reached a hospital gas gangrene had set in, and his right arm had to be amputated.