M Daleskog

Comparison of urinary and plasma catecholamine responses to mental stress.

P Hjemdahl, P. Hjemdahl, T. Åkerstedt, 1983, Acta physiologica Scandinavica.

Muscle sympathetic activity and norepinephrine release during mental challenge in humans.

P Hjemdahl, B. Wallin, P. Hjemdahl, 1989, The American journal of physiology.