Being truly prepared means having the only print compendium of evidence-based drug information at hand. Written and published by pharmacists and reviewed by over 500 experts, AHFS DI is the most comprehensive evidence-based source of drug information complete with therapeutic guidelines and off-label uses. The only print compendium designated by the US Congress, AHFS DI is also the only reference published by a non-profit scientific association -- ensuring it is the most authoritative and best-selling reference trusted by pharmacists for over 50 years. AHFS DI might not always be the first resource you use at the point of care, but it's a mandatory resource to have at your fingertips. Its detailed and comprehensive drug monographs deliver valuable information and therapeutic guidelines to even the most complex questions. Don't waste time searching other references when you know you will always find the answer you can trust to be accurate inside every time. - Publisher.