introduction: development. it is a lifelong condition, with symptom that appears in early childhood. these people have problem in social skills, communicating with others and expressing their feelings. these people specially have difficulties with the surrounding world and recognizing objects. one of the most effective methods in educating the autistic children is “picture exchange communicatio...

amyloidosis is a disorder of protein metabolism characterized by extracellular deposition of abnormal protein fibrils. it may either be localized to any organ or systematically distributed throughout the body. the biochemical nature of proteins varies but the physical and tinctorial properties are shared by all the amyloidogenic proteins. in the west, it is mainly composed of amyloid light (al)...

patients and methods from april 2009 to november 2011, all patients with gu injuries referred to our hospital were studied. the data including age, sex, type of injury, mechanism of trauma, and prognosis of patients was collected and analyzed. results from a total of 3450 patients, 66 (1.91%) had injuries of the urogenital system; 49(74.24%) were male and 17(25.75%) female. the patients’ mean a...

scientists call pasture a natural eco-system and range is an agricultural eco-system. in this point of view although pasture that was full of plants growing by itself and not growing by human being (pirdashti, 2007; mohgadam, 2005) and two groups of living beings such as human being, plants, domesticated, and not living being like weather, wind, gradient which are effective in making of pasture...

in the present paper the linear oscillator in r3 with z =constanthas been considered. the aim is to determine the necessary conditions forthe persistence of periodic solutions under discontinuous perturbations. a newapproach based on a computational method has been used. at the end weapply our method on an example.

we aimed to evaluate the timeliness of reporting of malaria surveillance system and understanding the existing problems.the timeliness of malaria surveillance system of iran was evaluated in four provinces of iran including sistan & baluchistan, hormozgan, kerman (as provinces with local malaria transmission) and khuzestan (without local malaria transmission). in this descriptive-analytic cross...

we describe a 40-year-old woman presenting with headache, nausea, episodic amnesia and blurred optic disc. brain mri disclosed diffuse leptomeningeal enhancement. csf analysis showed aseptic meningitis with elevated ace level. neurosarcoidosis was diagnosed based on granulomatosis changes on tissue biopsy.

background & objectives: the accurate assessment of the diseased tissue is fundamental to the diagnosis and management of disorders of the central nervous system (cns). the ‛squash’ or ‛crush’ technique has been universally employed in the intraoperative diagnosis of cns tumors. the aim of our study was to evaluate the accuracy of squash preparation in diagnosing cns tumors by comparing wit...