background: gigantomastia is a breast disorder marked by exaggerated rapid growth of the breasts, generally bilaterally. since this disorder is very rare and has been reported only in sparse case reports its etiology has yet to be fully established. treatment is aimed at improving the clinical and psychological symptoms and reducing the treatment side effects; however, the best therapeutic opti...

background: surgical treatments for acromioclavicular (ac) joint dislocation present with some complications. the present study was designed to evaluate the double-button fixation system in the management of acute acromioclavicular joint dislocation. methods: this cross sectional study, done between february 2011 to june 2014, consisted of 28 patients who underwent surgical management by the do...

the notion of $f$-derivations of up-algebras is introduced, some useful examples are discussed, and related properties are investigated. moreover, we show that the fixed set and the kernel of $f$-derivations are up-subalgebras of up-algebras,and also give examples to show that the two sets are not up-ideals of up-algebras in general.

abstract personal knowledge management has been developed in various fields such as knowledge management, personal information management, communication psychology and philosophy of science, management, communications, and so a lot of research to a few experimental or approved about (pkm) is a research that the original data is just a few pages. so research in this area seems to be very focused...

field experiments were conducted in amirkabir sugarcane agro-industry (khuzestan province, iran) farms to evaluate the efficacy of integrated chemical and mechanical methods in controlling weeds. experiments were carried out in a split plot-randomized complete blocks design with four replications. the main plot consisted of four mechanical treatments, namely: hilling up, sweep cultivator, disc ...

juvenile nasopharyngeal angiofibroma (jna) is a rare, benign and locally invasive tumor. massive bleeding because of vascularity of tumor and postoperative recurrence are potential problems of management. endonasal approach reduces the rate of postoperative recurrence, intraoperative bleeding, and complications of surgery, time of operation and duration of hospitalization. in this article, we r...