introduction: beta-thalassemia is the most common hereditary disease in iran. more than two million carriers of beta-thalassemia live in iran. since the iranian population is a mixture of different ethnic groups, it is necessary to determine the frequency  in the different parts of the country. materials and methods: this descriptive study is a cross sectional study with helping by professional...

background: sulfur mustard (sm) is an incapacitating chemical warfare agent, which has been widely employed in particular regions including iran. we investigated and reported delayed biochemical and hematological complications of sm in severely toxic iranian veterans 23 years after exposure. materials and methods: forty-two iranian veterans, residents of khorasan razavi, poisoned by sm, and suf...

water shortage crisis is an issue that has led to drastic changes in different agricultural policies, especially in arid and semi-arid areas. uncertainty in the amount of resources, e.g. water, used for agricultural production entails risk for farmers' income and cropping pattern changes. in the present study, the robust optimization model was used for optimal allocation of arable lands of khor...

afghanistan throughout its history has witnessed wars and conflicts have been numerous domestic and foreign. this has resulted in the migration of residents of this country. former soviet invasion of the country and then flare-up of internal strife after the withdrawal of soviet troops, in accelerating their migration to neighboring countries, especially iran has an important role. the aim of t...