P. Johannsen

Cerebral blood‐flow changes evoked by two levels of painful heat stimulation: A positron emission tomography study in humans

Albert Gjedde, P. Svensson, L. Arendt-Nielsen, 1998, European journal of pain.

Cerebral functional anatomy of voluntary contractions of ankle muscles in man

T. Sinkjær, J. Nielsen, T. Sinkjær, 2001, The Journal of physiology.