@article {cokkinos1986qs2,
	title = {The QS2/QT ratio as an index of appropriate left ventricular response to autonomic and inotropic stimuli.},
	journal = {Acta cardiologica},
	volume = {41},
	number = {1},
	year = {1986},
	pages = {9{\textendash}21},
	author = {Cokkinos, D.V. and Rivas, A and Perrakis, C and Diakoumakos, N and De, EG Puey and Burdine, JA and Leachman, RD and Hall, RJ}
}
