hydatid disease is caused by echinococcus granulosus and is endemic in many parts of the world, including iran. this parasitic tapeworm can produce cysts in almost every organ of the body, with the liver and lung being the most frequently targeted organs. however, the cyst tends to appear in different and sometimes unusual body sites in various geographical areas of the world. this review provi...

conclusion to diminish the gap between iranian scientific radiology papers and other competitor countries in the region and achievement of document 2025 goals, multifold effort of the society of radiology is necessary. results results of the current study showed a ratio of 0.19% for iranian papers in pubmed database published in 2009. in addition, in 2009, iranian papers constituted 0.29% of th...

The orthocentroidal circle of a non-equilateral triangle has diameter GH where G is the centroid and H is the orthocenter. We show that the Fermat, Gergonne and symmedian points are confined to, and range freely over the interior disk punctured at its center. The Mittenpunkt is also confined to and ranges freely over another punctured disk, and the second Fermat point is confined to and ranges ...

The fact that physical laws often admit certain kinds of space-time symmetries is often thought to be problematic for substantivalism — the view that space-time is as real as the objects it contains. The most prominent alternative, relationism, avoids these problems but at the cost of giving abstract objects (rather than space-time points) a pivotal role in the fundamental metaphysics. This inc...

The study comparatively identified the benefits of mobile telephone to users in selected rural and urban locations in Obio/Akpor local government area of Rivers State, Nigeria. Stratified and simple random sampling techniques were used in selecting 60 rural and 60 urban phone users to have a total sample size of 120 respondents. Structured questionnaire was used to generate data that were analy...

eighteen wheat breeding lines were evaluated along with two check cultivars across nine locations of temperate zone of iran during two crop seasons (2003-2004 and 2004-2005). field records were taken for some important traits especially grain yield. combined anova for nine locations in the first season and for seven locations in both seasons was undertaken. in each case, additive main effects a...