?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Hoang%2C+Van+Manh&rft.aulast=Hoang&rft.aufirst=Van+Manh&rft.date=2019&rft.title=Automatic+detection+of+QRS+complex+based+on+wavelet+transform+and+cluster+analysis&rft.genre=proceeding