TY - RPRT TI - Recurrence quantification analysis of heart rate variability is a COVID-safe alternative to gas analysis in the detection of metabolic thresholds AU - Zimatore, G. AU - Falcioni, L. AU - Gallotta, M. AU - Bonavolnta, V. AU - Campanella, M. AU - De Spirito, M. AU - Guidetti, L. AU - Baldari, C. PY - 2021 DO - 10.1101/2021.03.22.436405 UR - https://www.biorxiv.org/content/10.1101/2021.03.22.436405v1 ID - 10.1101/2021.03.22.436405 ER -