Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tessa Strain and Katrien Wijndaele and Stephen J Sharp and Paddy C Dempsey and Nick Wareham and Søren Brage,Impact of follow-up time and analytical approaches to account for reverse causality on the association between physical activity and health outcomes in UK Biobank,International Journal of Epidemiology,0300-5771,Oxford University Press (OUP),2019-10-25,49,1,162-172,https://cir.nii.ac.jp/crid/1360016870160110976,https://doi.org/10.1093/ije/dyz212