Barker, D.J.P.
Practical epidemiology
Livingstone, 1976
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Kirk, Roey
Healthcare quality and productivity : practical management tools / Roey Kirk
An Aspen Publication, 1988
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Carey, Raymond G.
A practical guide to quality improvement in healthcare : quality with confidence in healthcare / Raymond G. Carey, Robert C. Lloyd
Quality Resources, 1997
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Epidemiology
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Gordis, Leon
Epidemiology
Saunders Elsevier, 1996
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