@article {cokkinos1984cardiac,
	title = {Cardiac function at treadmill exercise in various age groups},
	journal = {European heart journal},
	volume = {5},
	number = {suppl\_E},
	year = {1984},
	pages = {41{\textendash}46},
	publisher = {Oxford University Press},
	author = {Cokkinos, D.V. and Perrakis, C and Diakoumakos, N and Papantonakos, A and Mamaki, S}
}
