?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=G&rft.au=Tse%2C+G&rft.aulast=Tse&rft.issue=22&rft.date=17+November+2020&rft.volume=9&rft.title=Journal+of+the+American+Heart+Association&rft.atitle=Incorporating+latent+variables+using+nonnegative+matrix+factorization+improves+risk+stratification+in+Brugada+syndrome&rft.genre=article