the sorkh shale formation (lower triassic) crops out in parts of tabas block. this formation is composed of limestone, dolomite, sandstone, shale and gypsum. its lower contact with the permian rocks and its upper contact with the shotori formation is marked by distinct erosional unconformity. to determine the depositional environments of the sorkh shale formation, stratigraphic sections of goda...

Thoracic disk herniation comprises 0.15% of all disk herniation and has various and confusing manifestations.  Among them, radicular pain down the leg could be the rarest presentation, especially if it is the only complaint. On the other hand, finding the relationship between clinical and paraclinical needs require high index of suspension and it is demanding. A 34-year-old patient, who ha...

at the boundary between jurassic and cretaceous, because of late kimmerian movements, the sea ragressed from many areas of north and cantral iran, and many continental areas rose, which included a number of differentiated basins. the boundary between jurassic and cretaceous in these parts of iran is usually marked by a big diastem or by red, clastic and evaporitic sediments. the whole or part o...

In this prospective descriptive study, all patients with acute lower limb ischemia who presented to Shohada Tajrish Hospital (STH) between July 200 1 and July 2003 were analyzed and followed for 6 months. The total population of 109 patients, with no significant difference in sexual distribution had a mean age of 64± 16 years. 23% had AF and 31 % had a history of MI, 'but in the ECG of 30%,...

genetic parameters were estimated in a base and closed population of iranian honeybee colonies. data were obtained on 500-700 iranian native population of honey­bee colonies (honeybee breeding project in central region of iran) subject to 9 successive generation of selection. these populations had been selected for honey production, swarming behavior, and defense behavior. heritability of honey...