Information in this section pertains to all global PEN® partners except where country flags are
visible. Click on the flag(s) for country-specific information. If a country flag is not listed, there is
no information specific to that country.
These external
tools/resources are provided as sources of additional information believed to
be reliable and accurate at the time of publication and should not be
considered an endorsement of any information, service, product or
company.
Title: National Digestive Diseases Information
Clearinghouse
Description: National Digestive Diseases
Information Clearinghouse (NDDIC): This service provides information about irritable
bowel syndrome (IBS) research. The NIDDK