NMDA potentiates NGF-induced sprouting of septal cholinergic fibres
C.-P.J. Heisenberg, J. Cooper, J. Berke, M. Sofroniew, Neuroreport 5 (1994) 413–416.

Triiodothyronine Regulates Survival and Differentiation of Rat Cerebellar Granule Neurons
C.-P.J. Heisenberg, H. Thoenen, D. Lindholm, Neuroreport 3 (1992) 685–688.