@article{lin102606,
    title   = {Clostridium difficile is an autotrophic bacterial pathogen.},    
    author  = {Kopke M, Straub M, Durre P.},    
    journal = {PLoS One},    
    year    = {2013},    
    doi     = {10.1371/journal.pone.0062157},    
    pmid    = {23626782}        
    }