41. This has been demonstrated to be effective with the nonpathogenic anaerobe " Clostridium sporogenes ". 42. Microbiologists distinguish " Clostridium " from " Bacillus " by the following features: 43. Toxic megacolon is usually a Clostridium difficile " infections, which have led to pseudomembranous colitis. 44. Concerns with its use include increased rates of pneumonia and " Clostridium difficile " colitis. 45. The antimicrobial efficacy of various copper alloys against " Clostridium difficile " was recently evaluated. 46. ASF 356 is of the Clostridium species, closely related to " Clostridium propionicum ". 47. ASF 356 is of the Clostridium species, closely related to " Clostridium propionicum ". 48. The culprit was Clostridium difficile, a potentially fatal infection that rapidly spread from one patient to another. 49. The newspaper said authorities seized quantities of Clostridium botulinum, a kind of bacteria that produces botulism poisoning. 50. Investigators found the bacterium Clostridium in his body and in the cadaver from which the cartilage was taken.