This document details the rationale and procedure for administration of the digestive health web-based questionnaire for UK Biobank.

This resource can be downloaded or viewed using the link: digestive_health.pdf

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ndph.ox.ac.uk/ukb/ukb/docs/digestive_health.pdf