General information about mammography: Radiologyinfo is a cooperative web site of the Radiological Society of North America (RSNA) and the American College of Radiology (ACR).

Informational brochure in Adobe Acrobat (.PDF) format.

National Cancer Institute: web site for more information about the Digital Mammographic Imaging Screening Trial

Digital vs. Film Mammography in the Digital Mammographic Imaging Screening Trial (DMIST): Questions and Answers