NMDA potentiates NGF-induced sprouting of septal cholinergic fibres
C.-P.J. Heisenberg, J. Cooper, J. Berke, M. Sofroniew, Neuroreport 5 (1994) 413–416.
LibreCat: https://research-explorer.ista.ac.at/record/4202
DOI: 10.1097/00001756-199401120-00010 

Triiodothyronine Regulates Survival and Differentiation of Rat Cerebellar Granule Neurons
C.-P.J. Heisenberg, H. Thoenen, D. Lindholm, Neuroreport 3 (1992) 685–688.
LibreCat: https://research-explorer.ista.ac.at/record/4195
DOI: 10.1097/00001756-199208000-00008 
PMID: 1387811