Books by National Digestive Diseases Education and Information Clearinghouse:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
National Digestive Diseases Education and Information Clearinghouse: Digestive do's and don'ts. (Washington, DC : United States Government Printing Office, 1985., 1985), also by National Institute on Aging and United States Department of Health and Human Services (page images at HathiTrust)
Find more by National Digestive Diseases Education and Information Clearinghouse at your library, or elsewhere.