This is the invitation letter which was sent out to potential participants between 2006 and 2010 inviting them to join the UK Biobank study.

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

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

 wget  -nd  biobank.ctsu.ox.ac.uk/ukb/ukb/docs/ac_invite.pdf