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The main objective of the study is to investigate the muscarinic cholinergic system as a biological substrate for cognitive dysfunction in schizophrenia. Since cognitive dysfunction is the most disabling and untreatable characteristic of…
Approved WMOCompleted
In this study we will compare the effect of intra nodal allegen injection with grass pollen to the intra nodal injection with placebo on symptome scores of allgic rhinitis (hay fever) in grass allergic patients.