The effect of different exercise protocols on leptin levels and regional left ventricular diastolic heart function among professional swimmers - a comparison with untrained subjects: a Doppler tissue imaging study - Skalik, R.; Janocha, A.; Borodulin-Nadzieja, L.; Gozdzik, A.; Poreba, R.; Bialy, D.; Derkacz, A.; Obremska, M.; Calkosinski, I. (Medicina Sportiva, 2006)
Keywords: swimming; high performance sport; elite sport; load; heart; ECG; Poland; biological and medical sciences; endurance sports