نتایج جستجو برای: control studies

تعداد نتایج: 2580223  

Journal: :international journal of occupational and environment medicine 0
nj awadalla faculty of medicine, mansoura university a hegazy department of community and occupational medicine, faculty of medicine, alazhar univerisity (egypt) and king abdulaziz university, jeddah ra elmetwally department of thoracic medicine, faculty of medicine, mansoura university i wahby department of community and occupational medicine, faculty of medicine, alazhar univerisity

background: despite the advances in medical therapy and technology, the prognosis of idiopathic pulmonary fibrosis (ipf) remains poor and the need for disease prevention based on identifying the risk factors becomes mandatory. occupational and environmental exposures were studied in several countries and found to play important role in the disease development. however, in egypt, a little attent...

Journal: :Journal of personality and social psychology 2001
K van den Bos J W van Prooijen

The most generally accepted and best documented manipulation in procedural justice experiments is varying whether or not participants are allowed an opportunity to voice their opinion about a decision. To better understand the psychology of voice, the authors focus on Referent Cognitions Theory (RCT). It is argued that thus far RCT has not been used to explain the psychology of voice and that p...

Journal: :Statistics in medicine 2010
Andrew Crossett Brian P Kent Lambertus Klei Steven Ringquist Massimo Trucco Kathryn Roeder Bernie Devlin

We propose a method to analyze family-based samples together with unrelated cases and controls. The method builds on the idea of matched case-control analysis using conditional logistic regression (CLR). For each trio within the family, a case (the proband) and matched pseudo-controls are constructed, based upon the transmitted and untransmitted alleles. Unrelated controls, matched by genetic a...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1393

abstract target-oriented approaches to translation studies are regarded as recent theories of translation. one of the most famous theories among these approaches is descriptive translation studies presented by toury (1995). this theory gives a new dimension to translation studies and gives importance to the descriptive rather than prescriptive studies. it also identifies three sets of transla...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده زبانهای خارجی 1391

since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...

Journal: Addiction and Health 2017
Ali Eftekharian Aliasghar Arabi Armin Javedan Maryam Amizadeh, Shahryar Dabiri

cancer invasion and lymphatic metastasis. Smoking has been reported to increase the metalloproteinase level, but the role of opium consumption in metalloproteinase level has not yet been examined. The current research intended to examine the impacts of opium consumption on the serum levels of metalloproteinase.Methods: This case-control research was conducted in Kerman (in the southeast of Iran...

Background Endometriosis, defined by overgrowth of endometrial implants outside the uterine cavity, is commonly found on the ovaries. The role of exercise in this disease is not well understood. Regular exercise appears to have protective effects against endometriosis that involve inflammatory processes since it induces elevate systemic levels of inflammatory cytokines production with antioxida...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

Journal: :Journal of Physiotherapy 2017

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...

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