Attila Szabo

The Effect of Vocalization on the Heart Rate Response to Mental Arithmetic

T. G. Brown, Peter Seraganian, Thomas G Brown, 1997, Physiology & Behavior.

Reactivity to written mental arithmetic: Effects of exercise lay-off and habituation

Lise Gauvin, L. Gauvin, A. Szabo, 1992, Physiology & Behavior.

The combined effects of orthostatic and mental stress on heart rate, T-wave amplitude, and pulse transit time

A. Szabo, Attila Szabo, 2004, European Journal of Applied Physiology and Occupational Physiology.