This is an abstract for the paper

"Genome-wide genetic data on 500,000 UK Biobank participants" by Bycroft et.al

which is available as bioRxiv 166298, 2017.

It describes the genotyping project, quality control, imputation and related processes used to generate the genetic data available from UK Biobank. Researchers using the UKB genetic data are asked to cite this paper in publications.

This resource can be downloaded or viewed using the link: wtchg_gene_paper.html

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/wtchg_gene_paper.html