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#Walsh Walsh, J. ''On the electric property of torpedo:'' in a letter to Ben. Franklin. Phil. Trans. Royal Soc. 1773;63:478-489 | #Walsh Walsh, J. ''On the electric property of torpedo:'' in a letter to Ben. Franklin. Phil. Trans. Royal Soc. 1773;63:478-489 | ||
#Hoffa Hoffa M, Ludwig C. 1850. ''Einige neue versuche uber herzbewegung''. Zeitschrift Rationelle Medizin, 9: 107-144 | #Hoffa Hoffa M, Ludwig C. 1850. ''Einige neue versuche uber herzbewegung''. Zeitschrift Rationelle Medizin, 9: 107-144 | ||
#Marriott1 HJ. Marriott’s Workshop in Electrocardiography. 1st ed. Oldsmar: Tampa Tracings, 1972, p.12 | #Marriott1 HJ. Marriott’s Workshop in Electrocardiography. 1st ed. Oldsmar: Tampa Tracings, 1972, p.12 | ||
#Marriott2 HJ. ECG/PDQ. Baltimore: Williams & Wilkins, 1987, p.10 | #Marriott2 HJ. ECG/PDQ. Baltimore: Williams & Wilkins, 1987, p.10 | ||
#Marriott3 HJ. Practical Electrocardiography. 8th ed. Baltimore: Williams & Wilkins, 1988, p.10 & p.120 | #Marriott3 HJ. Practical Electrocardiography. 8th ed. Baltimore: Williams & Wilkins, 1988, p.10 & p.120 | ||
</biblio> |
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