oman has made tremendous progress in the last four decades on the back of rising oil prices and this has led to substantial economic activity in oil, construction, industries and services sectors creating an unprecedented demand for labor ranging from professionals, technical experts, educators, highly skilled people in all vocations to low and semi-skilled people including cleaners, gardeners,...

Alternative theoretical perspectives have been presented to explain internationally effective factors affecting immigration. For example, the orthodox explanation of migration is based on the concept of wage differentials as an important factor of international immigration. The world system approach declines to interpret theoretically international migration as a phenomenon between independent ...

objective: transplantation of mesenchymal stem cells (mscs) can promote functional recovery of the brain after hypoxic-ischemic brain damage (hibd). however, the mechanism regulating msc migration to a hypoxic-ischemic lesion is poorly understood. interaction between stromal cell-derived factor-1α (sdf-1α) and its cognate receptor cxc chemokine receptor 4 (cxcr4) is crucial for homing and migra...

ventriculoperitoneal (vp) shunt is one of the most common pediatric neurosurgical procedures. it has various complications that may have serious consequences such as shunt dysfunction, and unusual migration. although, migration of shunt catheter to bladder, heart, umbilicus, rectum, pulmonary artery, and stomach has been reported, migration to vagina is a rare one. in this report we present a 1...

nomad’s livelihood is based on continuous migration between summer and winter pastures to obtain forage for their animals and access to contented weather. this living way has long history in iran which formed in accord with climate. in recent century, modernization has been caused many changes in traditional living way of nomads. therefore, nomads have no more their role and function as in th...

background: angiogenesis, the formation of new blood vessels from preexisting ones, is one of the most important physiological and pathological processes occur in the body. in the pathological conditions such as tumor growth, psoriasis, corneal neovascularization and rheumatoid arthritis, angiogenesis is crucially required for the devolopment of the disease. zataria multiflora as a member of la...