Purchase Short-Term Access
Routine Aspirin or Nonsteroidal Anti-inflammatory Drugs for the Primary Prevention of Colorectal Cancer: U.S. Preventive Services Task Force Recommendation Statement
U.S. Preventive Services Task Force*
Annals of Internal Medicine 2007;146:361-364.
doi:10.7326/0003-4819-146-5-200703060-00008
Purchase Online access to this article for 24 hours