%0 Journal Article %T Validation of Polar OH1 optical heart rate sensor for moderate and high intensity physical activities %A Hettiarachchi, Imali T. %A Hanoun, Samer %A Nahavandi, Darius %A Nahavandi, Saeid %J PLoS ONE %V 14 %N 5 %D 2019-05-23 %I Public Library of Science %~ DeepDyve