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the use of appropriate madm model for ranking the vendors of mci equipments using fuzzy approach
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
15 صفحه اولSuction modulation for the laryngeal microdebrider.
INTRODUCTION The design of a surgical rotary vacuum shaver as a predecessor to the microdebrider has been attributed to Urban in 1968. His targeted use of this device to assist in the removal of acoustic neuromas did not find general use. Powered shavers were subsequently adopted in the field of orthopedic surgery and reintroduced successfully in the 1990s into otolaryngology for use in endosco...
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Lasers are a relatively recent addition to laryngeal surgery. Since their invention, laser use and applications have expanded rapidly. In this article, we discuss the benefits and disadvantages of lasers for different procedures, as well as ways to overcome commonly faced clinical problems. The use of lasers in surgery has offered a time- and cost-efficient alternative to cold surgical techniqu...
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this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...
Microdebrider complications in laryngologic and airway surgery.
OBJECTIVES/HYPOTHESIS There is a paucity of experience in the published literature documenting complications of powered surgical instruments in laryngologic surgery. Our objective was to ascertain the nature of these complications from expert opinion and review of the literature, and to recommend strategies to decrease major complications. STUDY DESIGN Review of the literature and an e-mail s...
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ژورنال
عنوان ژورنال: Koutou (THE LARYNX JAPAN)
سال: 2006
ISSN: 0915-6127
DOI: 10.5426/larynx1989.18.2_132