article 2021 The Influence of Training Load on Hematological Athlete Biological Passport Variables in Elite Cyclists Tiffany Astolfi, Fabienne Crettaz von Roten, Bengt Kayser, Martial Saugy, Raphael Faiss JournalFrontiers in Sports and Active LivingDOI10.3389/fspor.2021.618285Publication typeOriginal ResearchPopulationelite cyclists View on DOI ↗