Schlackow, I; Walker, AS; Dingle, K; Griffiths, D; Oakley, S; Finney, J; Vaughan, A; ... Wyllie, DH; + view all Schlackow, I; Walker, AS; Dingle, K; Griffiths, D; Oakley, S; Finney, J; Vaughan, A; Gill, MJ; Crook, DW; Peto, TE; Wyllie, DH; - view fewer (2012) Surveillance of infection severity: a registry study of laboratory diagnosed Clostridium difficile. PLoS Med , 9 (7) , Article e1001279. 10.1371/journal.pmed.1001279.