it is necessary to understand the effective factors in participation in physical activity in order to increase this activity in school students. the aim of the present study was to compare the level of physical activity between field dependent/ independent students in guidance schools of kharame city of fars province. at first 150 male students were randomly selected and after frame and rod tes...

introduction: nitric oxide is an important endogenous compound that acts as bronchodilator in trachea. electromagnetic fields (emf) affect nitric oxide level in different tissues. the interaction of nitrergic and cholinergic systems in airways has been reported. therefore, the present study was performed to evaluate the interaction of cholinergic and nitrergic systems in the trachea of rats tha...

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background: hydatidosis it is a zoonotic disease which is caused by the larval stages of different species of the tapeworms (cestoda) of genus echinococcus. currently, the surgery is most definitive method of treatment for hydatid cyst, but always there is the risk of leakage or rupture during the surgery, therefore it is considered unreliable method. methods: protoscoleces of hydatid cysts wer...

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