MCQOPTIONS
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| 1. |
Pseudomembranous colitis is caused by the strains of which of the following microorganism? |
| A. | Streptococcus mutans |
| B. | Clostridium difficile |
| C. | Streptococcus salivarius |
| D. | Clostridium botulinum |
| Answer» C. Streptococcus salivarius | |