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 more than 50 years. "AHFS Drug Information" is a detailed and comprehensive drug monograph delivering 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 - everytime.