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...

the noctuidae with more than 25,000 described species include numerous economic important crop pests worldwide. a faunistic study on this family was carried out in the years 2010 and 2011 in the khorasan-e-razavi province, ne iran. a total of 33 species of the subfamilies metoponiinae, bryophilinae and xyleninae belonging to 17 genera were collected. among the collected species, two are recorde...

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...

This case-control study evaluated the factors influencing volunteering in the Islamic Republic of Iran's Women's Health Volunteer (WHV) programme, which is implemented in 150 centres in Khorasan-e-Razavi Province. We recruited 145 cases (volunteers) and 146 controls (non-volunteers) from the centres. Data were collected by questionnaire. Sociodemographic variables included were: length of resid...