Screenshot of sub-screen used to display spirometry training video to participants

This resource can be downloaded or viewed using the link: bio_s_spiro_vscrn.png

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/images/bio_s_spiro_vscrn.png