A precise case definition is useful to study the natural history of a disease, direct appropriate treatment, and judge response to therapy.

Consistent with this view of causality, we propose a set of methodological principles for conducting and evaluating critical realism-based explanatory case study research within the information ...

Better definition of hospital onset bacteremia and fungemia patients could improve care, including reducing mortality rates, higher readmission risk and cost, and longer length of stay, a study found.