TY - RPRT TI - Heart rate and performance parameters in elite cyclists: a longitudinal study. AU - A Lucía AU - J Hoyos AU - M Pérez AU - J L Chicharro PY - 2000 DO - 10.1097/00005768-200010000-00018 UR - https://pubmed.ncbi.nlm.nih.gov/11039652/ ID - 11039652 ER -