Back by popular demand! The world's most widely used medical reference is now in its 20th edition. The Merck Manual of Diagnosis and Therapy now in its 20th edition has been thoroughly updated and thoughtfully expanded with a new larger trim size to include 40% new and revised content.
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Robert S. Porter, MD
Dr Porter earned his MD from Hahnemann University in Philadelphia, PA and completed an Emergency Medicine residency at Mt. Sinai Medical Center in Cleveland, OH. Dr Porter is board certified in Emergency Medicine and is a Fellow of the American College of Emergency Physicians. Since 1983, he has held a variety of clinical and teaching appointments in the Philadelphia area, most recently at Albert Einstein Medical Center and Thomas Jefferson University. He currently works for Merck, where he is editor-in-chief of The Merck Manuals.