Marion R Nadel

Colorectal cancer screening by primary care physicians: recommendations and practices, 2006-2007.

Sally W Vernon, David Lanier, C. Klabunde, 2009, American journal of preventive medicine.

Colorectal cancer screening: A comparison of 35 initiatives in 17 countries

Julietta Patnick, Robert A Smith, W. Atkin, 2008, International journal of cancer.

How many endoscopies are performed for colorectal cancer screening? Results from CDC's survey of endoscopic capacity.

L. Seeff, T. Richards, J. Shapiro, 2004, Gastroenterology.