E. Sack

Prospective determination of distal colon findings in average-risk patients with proximal colon cancer.

A. Chak, M. Wallace, D. Lieberman, 1999, Gastrointestinal endoscopy.

Progressive splenomegaly after epoprostenol therapy in portopulmonary hypertension.

J. Findlay, M. Krowka, M. Porayko, 1999, Liver transplantation and surgery : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society.

The prevalence of adenoma and cancer at screening colonoscopy compared with colonoscopy directed by a positive hemoccult® in average risk asymptomatic adults ages 60–75

I. Bhattacharya, E. Sack, 1998 .

Screening colonoscopy: the cost of common sense

E. Sack, I. Bhattacharya, 1996, The Lancet.