Newhouse, R. P., Dearholt, S. L., Poe, S. S., Pugh, L. C., & White, K. M. (2008). Johns Hopkins nursing evidence-based practice: model and guidelines. Indianapolis: Sigma Theta Tau International Honor Society of Nursing.
Patient, Population or Problem
PICO is helpful in developing an answerable question in EBP in order to be focused appropriately on locating evidence.