how to cite this article: nejad biglari h, karimzadeh p, mohammadi kord-kheyli m, hashemi sm. migraine types and triggering factors in children. iran j  child neurol 2012;6(2):33-38. objective migraine is a common problem in children and the mean prevalence of migraine in europe among 170,000 adults was 14.7% (8% in men and 17.6% in women) and in children and youth (36,000 participants), the pr...

background: among diverse protein purification systems, affinity chromatography is the most attractive one in the purification process of coagulation factors. coagulation factor vii is a plasma serine protease that has a significant role in natural human hemostasis and its recombinant form such as aryoseventm, has been applied in clinical treatment of bleeding disorders. immunoaffinity chromato...

introduction: chlamydia trachomatis infection is a common pathogen in sexual transmitted disease, but most of female patients with this infection are asymptomatic. sequealae include pelvic inflammatory disease, infertility and ectopic pregnancy. the aim of the study was to determine the association between chlamydia trachomatis and tubal factor infertility, if significant. methods: this prospec...

background and objective: vascular endothelial growth factor (vegf) is a cytokine which is overexpressed in many malignant cancers including leukemia. vegf plays an important role in tumor invasion and metastasis. determination of the pattern of vegf expression in human leukemic cell lines could be useful not only in screening of new antileukemic agents but also to study the mechanism of their ...

the rural tourism as the most popular forms of tourism can be regarded as a policy to reduce the problems of rural areas. rural tourism, is a risk factor for the development of rural areas, including most the effects of its population stable, solve unemployment, reduced migration and more. this study aimed to detection effects of tourism in myshkhas rural center development in ilam province. a ...

discussions as one ich patient whose pt and aptt suggest a coagulation disorder secondary to vitamin k deficiency or coagulation factor deficiency, unresponsiveness to vitamin k therapy should be useful to take fx deficiency into consideration. background inborn factor x deficiency (fxd) is a very rare (1: 500,000) hereditary coagulation disorder, which is characterized by clinical manifestatio...

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background: soil pollution and accumulation of heavy metals in crops in industrial areas is one of the most important environmental issues threatening the life of plants, animals, and humans. the aim of this study was to determine the concentration of cr and cd in the soil and barberry plants in farms surrounding the qayen cement company, south khorasan province, iran. materials and methods: in...