Ideal for any on-call professional, resident, or medical student, this best-selling reference covers the common problems you'll encounter while on call in the hospital. On Call Principles and Protocols, 6th Edition, by Drs. Shane A. Marshall and John Ruedy, fits perfectly in your pocket, ready to provide key information in time-sensitive, challenging situations. You'll gain speed, skill, and knowledge with every call - from diagnosing a difficult or life-threatening situation to prescribing the right medication.