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تعداد نتایج: 513860  

Journal: :medical journal of islamic republic of iran 0
m. reza kalantar motamedi from the department of general and vascular surgery and traumatology, shohada medical center, shahid beheshti university of medical sciences, tehran, islamic republic of iran. jalaluddin khosnevis m. hasan kalantar motamedi

in this paper, two patients with severe dysphagia and esophageal stricture secondary to epidermolysis bullosa are presented and discussed. they are siblings of an affected family. primary resection and anastomosis had been performed previously in both patients, but dysphagia had recurred. we treated these patients with free jejunal graft to the esophagus with excellent results. both patients ar...

ژورنال: :مجله علمی دانشگاه علوم پزشکی رفسنجان 0
مصطفی صادقی m. sadeghi دانشگاه علوم پزشکی رفسنجانسازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (rafsanjan university of medical sciences) علی باقریان a. bagherian دانشگاه علوم پزشکی رفسنجانسازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (rafsanjan university of medical sciences)

چکیده مقدمه و هدف: پوسیدگی دندان شایع ترین بیماری مزمن دوران کودکی است و شاخص dmft مهم ترین معیار کمی برای سنجش سلامت دندان است. هدف از این مطالعه ت وصیف شیوع پوسیدگی دندان و وقوع دوطرفه آن در دانش آموزان 12 ساله شهر رفسنجان در سال 1386 بود. مواد و روش ها: در این مطالعه توصیفی- مقطعی تعداد 353 دانش آموز ( 173 دختر و 180 پسر) به صورت تصادفی از مدارس دولتی و خصوصی انتخاب شدند. معاینه بالینی جهت ت...

Journal: :medical journal of islamic republic of iran 0
shahram nazerani department of surgery, iran university of medical sciences, firozgar hospital, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: firozgar hospital amir r. motabar department of surgery, iran university of medical sciences. hazrat-e-rasool-e-akram hospital, niyayesh street,tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

abstract the leg is a complex district with functions of weightbearing support, stability, and motility. the management of extensive and complex defects is more challenging and often results in leg amputation or shortening. leg amputation is a severe mutilation that alters the patient’s work and social life by limiting ambulation and self-sufficiency. during a 3 years period we treated four pat...

Journal: :medical journal of islamic republic of iran 0
mahdi fathi tehran university of medical sciences, imam khomeini hospital, tehran, and the dept. of clinical research, tehran univeسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) ebrahim hatamipour tehran university of medical sciences, imam khomeini hospital, tehran, and the dept. of clinical research, tehran univeسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) hamid reza fathi tehran university of medical sciences, imam khomeini hospital, tehran, and the dept. of clinical research, tehran univeسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) ali pasha meysamie tehran university of medical sciences, imam khomeini hospital, tehran, and the dept. of clinical research, tehran univeسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

abstract background: several case studies have described the use of the superficial inferior epigastric artery (siea) flap as a pedicled flap for reconstruction of upper and lower ex tremities, or a free fasciocutaneous flap when a large amount of skin coverage is required for hemifacial atrophy, breast or head and neck reconstruction. apparently, the anatomical findings of previous studies are...

Journal: :iranian journal of public health 0
ahmad pourabbas medical education research center, department of medical education, tabriz university of medical sciences, tabriz, iran. farnoush fallah nutrition research center, nutrition faculty, tabriz university of medical sciences, tabriz, iran. reza mahdavi nutrition research center, department of nutrition & biochemistry, nutrition faculty, tabriz university of medical sciences, tabriz, iran. akbar aliasgarzadeh internal medicine-endocrine section, medicine faculty & emam reza teaching hospital, tabriz university of medical sciences, tabriz, iran.

diabetes is a major health problem worldwide. type ii diabetic patients are reported to have higher ferritin and lower vitamin c concentrations. considering the role of ascorbic acid in carnitine biosynthesis and the limited information on free carnitine correlations with ferritin and vitamin c levels in diabetic patients without microvascular complications, this case-control study was conducte...

Journal: :iranian journal of diabetes and obesity 0
robab sheikhpour department of nursing, yazd medical science branch, islamic azad university, yazd, iran maryam chinisaz department of biology, science and research branch, islamic azad university, tehran, iran sepideh jabbari department of biology, science and research branch, islamic azad university, tehran, iran

apoptosis is a complex network of biochemical and molecular pathway with fine regulatory mechanisms that control the death event during several pathological situations in multi cellular organisms. it is the part of normal development that occurs in a variety of diseases and is known as aberrant apoptosis. pancreatic β cell apoptosis is also a pathological feature which is common in both type 1 ...

2008
YUKIKO KONISHI

We show that the free energy of the topological string admits a certain pole structure by using the operator formalism. Combined with the results of Peng that proved the integrality, this gives a combinatoric proof of the Gopakumar–Vafa conjecture.

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1389

اثر افزایش مقادیر کم از خاک رس (کلی) اصلاح شده (کلویزیت b??) و پلی ال بازیافتی روی تخریب گرمایی از پلی یورتان نرم، به وسیله تجزیه حرارتی دینامیک (غیرهم دما) در سه سرعت گرمادهی (0c min-1 ?? و?? ،?/?) در اتمسفر نیتروژن بررسی شده بود. روش های isoconversional (model – free) (شامل روش های فلاین، وال و ازاوا (fwo)، کیسینجر، آکاهیرا و سانوز(kas) و تانگ (tang)) و model – fitting (روش های کوتس و ردفر...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

throughout this dissertation r is a commutative ring with identity and m is a unitary r-module. in this dissertation we investigate submodules of multiplication , prufer and dedekind modules. we also stat the equivalent conditions for which is ring , wher l is a submodule of afaithful multiplication prufer module. we introduce the concept of integrally closed modules and show that faithful mu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1370

the subjects of the study are only the tefl teachers and students at gilan university. to obtain the desired data, a questionnaire which was based on the theories and disecussions gathered, was used as the main data gathering instrument. to determine the degree of relationship between variables, covariance and pearson product moment correlation coefficient were the formulas applied. the data we...

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