Recent attitude of vegetation assessors is using of new ecologic approaches to evaluate and analyse the complex rangeland ecosystems. Plant diversity is the most important indices to assess the ecological changes of rangelands. In order to survey of plant indices of rangelands, two exclosure areas (long-term and mid-term) and a grazing area in rangelands of Javaherdeh (Ramsar, Iran) were select...

purpose: to compare the effects of short-tem and long-term systemic corticosteroids in the treatment of confirmed ocular toxoplasmosis. methods: this randomized comparative clinical trial was performed on 69 patients with confirmed active ocular toxoplasmosis with typical clinical manifestations. the subjects were randomly assigned to receive either 10 days (group a, 33 cases) or 4-6 weeks (gro...

with the growth of public awareness for environmental protection, green production was raised as an important issue for each producer, which will guarantee its activity in long term. creating suppliers, performance assessment system is so necessary and important that it measures suitability of the suppliers for long-term cooperation with the company. many activities have been performed for sele...

objective: there is a large amount of information published about art infants worldwide but apparently the similar data did not published by iranian art centers till now. this study is a comparative study for developmental assessment of these infants. materials and methods: in one case- control study 400 art ' infants have been compared with 420 nc ' infants. their developments have been assess...