R. Erkwoh

Maintenance Cognitive-Behavioral Therapy and Manualized Psychoeducation in the Treatment of Recurrent Depression: A Multicenter Prospective Randomized Controlled Trial

Ulrich Stangier, Christine Hilling, Thomas Heidenreich et al. · American Journal of Psychiatry · 2013 · 174 citations

Correlation of positive symptoms exclusively to hyperperfusion or hypoperfusion of cerebral cortex in never-treated schizophrenics

Osama Sabri, R. Erkwoh, Mathias Schreckenberger et al. · The Lancet · 1997 · 167 citations

Psychiatry, Psychotic Disorder, Subcortical Ischemic Depression +14

Regional cerebral blood flow and negative/positive symptoms in 24 drug-naive schizophrenics.

Osama Sabri, R. Erkwoh, M. Schreckenberger et al. · PubMed · 1997 · 92 citations

Monitoring of olanzapine in serum by liquid chromatography–atmospheric pressure chemical ionization mass spectrometry

M Bogusz, Klaus-Dieter Krüger, R. D. Maier et al. · Journal of Chromatography B Biomedical Sciences and Applications · 1999 · 72 citations

Therapeutic Drug Monitoring, Gas Chromatography, Medicine +11

Psychopathological and SPECT findings in never‐treated schizophrenia

R. Erkwoh, Osama Sabri, E.M. Steinmeyer et al. · Acta Psychiatrica Scandinavica · 1997 · 59 citations

Psychiatric Evaluation, Spect Findings, Psychiatry +15