%0 Journal Article %T Assessment of Heart Rate Variability Thresholds from Incremental Treadmill Tests in Five Cross-Country Skiing Techniques %A Mendia-Iztueta, Ibai %A Monahan, Kristen %A Kyröläinen, Heikki %A Hynynen, Esa %J PLoS ONE %V 11 %N 1 %@ 1932-6203 %D 2016-01-04 %I Public Library of Science %~ DeepDyve