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John E. Hall's Pocket Companion to Guyton and Hall Textbook of Medical Physiology, 12th Edition offers at-a-glance reference to the most important facts and concepts from one of the world's favorite medical physiology texts, all in a portable, quick-access format. It assembles all of the physiologic data and principles needed for the study of medicine, presents them in a concise, no-nonsense manner, and fits them into your pocket - for convenient access anytime!

• Efficiently review key concepts thanks to a concise, at-a-glance format.
• Carry the same authoritative, useful knowledge that readers of Guyton have come to trust - right in your pocket.

Easily locate more in-depth discussions inside the parent text with abundant cross-references and a parallel chapter organization.

Quickly access all of the most current physiology information on the go.

Delivers the salient points from the parent text in a manner that is ideal for rapid comprehension of the core concepts in Physiology