Heart rate variability and VO2max during a rowing training season: Implications for monitoring training adaptation - Rama, L.; Teixeira, A.; Santos, A.; Gomes, B.; Massard, A.; Rosado, F.; Alves, F. (14th annual Congress of the European College of Sport Science, Oslo/Norway, June 24-27, 2009, Book of Abstracts, 2009)