During the past five years, transaxillary approaches to thyroid surgery have been introduced into surgical literature. These techniques were initially performed using traditional endoscopy, and most recently with a surgical robot. This manuscript describes our approach to robotassisted transaxillary surgery (RATS) for thyroidectomy using a single axillary incision. Because of the steep learning...

M. Elekes proved that any infinite-fold cover of a σ-finite measure space by a sequence of measurable sets has a subsequence with the same property such that the set of indices of this subsequence has density zero. Thanks to this theorem he gave a new proof for the random-indestructibility of the density zero ideal. He asked about other variants of this theorem. We present some negative results...

editorial

The editorial office of the Journal of Islamic Dental Association of Iran has recently determined that an original article entitled “Stress Distribution in Three-Implant- Retained Mandibular Overdentures Using Finite Element Analysis” authored by Ahmadzadeh A, Golmohammadi F, Mousavi N, Epakchi S. published in thewinter 2015 issue of the Journal of Islamic Dental Association of Iran [Journal of...

This paper investigates situations where a property of a ring can be tested on a set of “prime right ideals.” Generalizing theorems of Cohen and Kaplansky, we show that every right ideal of a ring is finitely generated (resp. principal) iff every “prime right ideal” is finitely generated (resp. principal), where the phrase “prime right ideal” can be interpreted in one of many different ways. We...

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