Evidence-based nursing is an approach to health care practice that enables nurses to provide the highest quality care based on the best evidence available to meet the needs of their patients.
Melnyk & Fineout-Overholt, 2005
The integration of the best research evidence with clinical expertise and patient values.
Sackett, Straus, Richardson, Rosenberg & Haynes, 2000
Evidence-based medicine: how to practice and teach EBM
2d ed. London, UK: Churchill Livingstone