Gray, J. A. M. (2009). Evidence-based healthcare and public health: How to practice and teach evidence-based decision making (3rd ed.). Churchill Livingstone.
Dyfyniad Arddull ChicagoGray, J. A. Muir. Evidence-based Healthcare and Public Health: How to Practice and Teach Evidence-based Decision Making. 3rd ed. Edinburgh ; New York: Churchill Livingstone, 2009.
Dyfyniad MLAGray, J. A. Muir. Evidence-based Healthcare and Public Health: How to Practice and Teach Evidence-based Decision Making. 3rd ed. Churchill Livingstone, 2009.
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