| Digestive Enzymes References |
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1
Everhart, J. E. (Ed.). (1994).
Digestive diseases in the United
States: Epidemiology and impact. (NIH
Publication No. 94-1447). U.S.
Department of Health and Human
Services, National Institutes of
Health, National Institute of
Diabetes and Digestive and Kidney
Diseases. Washington, DC: U.S.
Government Printing Office.
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