Publications by authors named "Randal H Robertson"
Background: This study examined trends in the numbers of double contrast barium enemas, flexible sigmoidoscopies, and colonoscopies and trends in the choices of colorectal cancer screening service providers.
Methods: Descriptive statistics were used to examine Medicare and Tricare data for the years 1999 to 2001.
Results: The total volume of procedures increased 5% and 14%, respectively, in Tricare and Medicare.