objective: suicide is one of the most important early causes of death in psychotic patients. the main object of this research was to determine the relationship between positive and negative symptoms of schizophrenia and psychotic major depressive disorder (mdd) with suicidal history and risk. methods: sixty five patients with schizophrenia compared to 65 patients with psychotic mdd in a cross s...

foreign direct investment (fdi) plays a crucial role in the economic literature, especially in developing countries. it is also an important factor for policy makers to analyze the relation between foreign direct investment and other important economic variables. one of these variables is export which is always mentioned in iran's economic development programs. in this study, the relation betwe...