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Proceedings of the National Academy of Sciences of the United States of America|June 1, 1976
Crystalline semisynthetic ribonuclease-S'M Pandin, E A Padlan, C DiBello, et al.
International Journal of Colorectal Disease|April 15, 2000
Colorectal high-grade adenomas: incidence, localization and adenoma-adenocarcinoma ratio in a retrospective and comparative population-based study of 225 consecutive cases between 1988 and 1996R Scheiden, J Sand, M Pandin, et al.
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