Effects of altitude training on heart rate variability in orthostatic test in elite swimmers - Hynynen, E.; Iglesias, X.; Feriche, B.; Calderon, C.; Abalos, X.; Vazquez, J.; Barrero, A.; Rodriguez, L.; Levine, B. D.; Rodriguez, F. (Sport Science Research Group, INEFC-Barcelona, 2012)
Keywords: heart rate; high-altitude training; variability; swimming; test; heart rate variability; Spain; endurance sports; biological and medical sciences