D M Wieland

Noninvasive evaluation of sympathetic nervous system in human heart by positron emission tomography.

E Wolfe, M Schwaiger, V Kalff, 1990, Circulation.

In vivo mapping of cholinergic neurons in the human brain using SPECT and IBVM.

D E Kuhl, R A Koeppe, S Minoshima, 1994, Journal of nuclear medicine : official publication, Society of Nuclear Medicine.