objectives: in this study, we examined the effect of botulinum toxin a (bta) on chronic allergic rhinitis (car). we tested the effects of bta, applied to an intranasal sponge, on patients who had car for a minimum of three years and had been treated unsuccessfully with conventional medications. methods:the study was an interventional case-control single-blind randomized clinical trial. forty-fo...

To assess the cost and effectiveness of risperidone, olanzapine, and conventional antipsychotic medications under "usual practice" conditions in a large, public mental health system, 108 persons diagnosed with schizophrenia or schizoaffective disorder were randomly assigned to one of these three medication groups and followed prospectively over a 12-month period using standard instruments and p...