Sharma, S., Whyte, G., Elliot, P., Padula, M., Kaushal, R., Mahon, N. and McKenna, W.J.
“Electrocardiographic changes in 1000 highly trained junior elite athletes.”
British Journal of Sports Medicineย 1999 Vol.33 Issue 5, p319-324ย ย [Abstract]ย [Fullย Text]