The Merck manual of health & aging
Mark H. Beers, editor-in-chief ; Thomas V. Jones, editor ; Michael Berkwits, Justin L. Kaplan, and Robert Porter, assistant editors
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The Merck manual of medical information
Mark H. Beers, editor-in-chief ; Andrew J. Fletcher, Thomas V. Jones and Robert Porter, senior assistant editors ; Michael Berkwits, and Justin L. Kaplan, assistant editors
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