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  1. Merck Manual Professional Edition

  2. MERCK MANUALS

  3. Merck Manual of Diagnosis and Therapy - Wikipedia

  4. The Merck Manual of Diagnosis and Therapy, 20th Edition

  5. The Merck Manual of Diagnosis and Therapy - 20th Edition ...

  6. The Merck Manual of Diagnosis and Therapy - 19th Edition ...

  7. The Merck Manual of Diagnosis and Therapy, 20th Edition