?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Hall&rft.au=Hall%2C+ECR&rft.aufirst=ECR&rft.date=4+June+2021&rft.atitle=Genetic+Polymorphisms+Related+to+VO2max+Adaptation+Are+Associated+With+Elite+Rugby+Union+Status+and+Competitive+Marathon+Performance&rft.title=International+Journal+of+Sports+Physiology+and+Performance&rft.pages=1-7&rft.genre=article