Melnyk, B. M., Fineout-Overholt, E., Stillwell, S. B., & Williamson, K. M. (2010). Evidence-based practice: step by step: the seven steps of evidence-based practice. AJN: The American Journal of Nursing, 110(1), 51-53 | DOI: 10.1097/01.NAJ.0000366056.06605.d2
There are many definitions of Evidence-Based Practice (EBP). It is the integration of the best research evidence, clinical expertise and patient needs that will result in the best patient outcomes. EBP is an umbrella term that covers evidence-based medicine, evidence-based nursing, evidence-based public health, evidence-based dentistry, etc. Each specialty, however, may have their own approach to implementation.
From a nursing perspective, Melnyk, Fineout-Overholt, Stillwell & Williamson (2010) define evidence-based practice as "a problem-solving approach to the delivery of health care that integrates best evidence from studies and patient care data with clinician expertise and patient preferences and values."
Recommended Reading:
Evidence-Based Practice, Step by Step
Collection of articles authored by faculty from the Arizona State University College of Nursing and Health Innovation's Center for the Advancement of Evidence-Based Practice.