Krzysztof Krawczynski

The Natural History of Community-Acquired Hepatitis C in the United States

Richard E. Sampliner, Michael A. Gerber, Michael J. Beach, 1993 .

Hepatitis E: An overview and recent advances in clinical and laboratory research

Rakesh Aggarwal, R. Aggarwal, Krzysztof Krawczynski, 2000, Journal of gastroenterology and hepatology.