F. Selig

Brain-derived neurotrophic factor serum concentrations are increased in drug-naïve schizophrenic patients with chronic cannabis abuse and multiple substance abuse

H. Danker-Hopfe, R. Hellweg, U. Lang, 2004, Neuroscience Letters.

Negative symptoms of schizophrenia are improved by the addition of paroxetine to neuroleptics: a double-blind placebo-controlled study

P. Schlattmann, F. Reischies, M. Jockers-Scherübl, 2004, International clinical psychopharmacology.