نتایج جستجو برای: 18 showed positive trend
تعداد نتایج: 1892337 فیلتر نتایج به سال:
The evaluation of response to radiotherapy in patients with laryngeal cancer is a challenge because of the difficulty to differentiate between post-therapy changes and recurrent or residual tumor. Positron emission tomography is a non-invasive imaging tool that may be helpful in this differentiation. In this study, [(18)F]-fluoro-3'-deoxy-L-thymidine ([(18)F]FLT), a proliferation tracer is comp...
BACKGROUND Glycosaminoglycans (GAGs) play an important role in the physiopathology of diabetic nephropathy; they are essential for the maintenance of glomerular charge selectivity and their administration can reduce albuminuria in diabetic patients. METHODS Following a randomized block design, controlled versus placebo, we investigated, in insulin-dependent diabetic patients with micro- or ma...
OBJECTIVE Large body size has been associated with decreased risk of breast cancer in premenopausal women but with increased risk in postmenopausal women. Limited information is available about African-American women and differences by estrogen and progesterone receptor status. METHODS We analyzed data from the Women's Contraceptive and Reproductive Experiences Study among 3,997 white and Afr...
this study was an attempt to investigate the effect of subtitling on vocabulary learning among iranian intermediate students. to find the homogeneity of the groups, tofel test was administered to student in kish mehr institute in garmsar. after analyzing the data, 60 participants (female students) who scored within the range of one standard deviation above and below the mean, were selected as h...
background: study habits and skills are very important particularly in medical school which is characterized by heavy workload, heavy time commitments, and high stakes assessments. students’ approach to learning, which includes study habits, has an important impact on both the excellence of the learning and their academic success. the aim of this study was to evaluate the study habits of shiraz...
background: birth weight is considered as the most important index of neonates' growth as well as the most important determinant of infants' mortality. this study was conducted to investigate the growth pattern in normal, low and very low birth weight neonates for 18 months in the health care centers of isfahan, iran. materials and methods: in a cross-sectional and retrospective study, 214 neon...
OBJECTIVE To study 5-HT transport and 5-HT1A receptors in temporal lobe epilepsy (TLE) and depression. METHODS Thirteen patients had PET with [(11)C]DASB for 5-HTT and [(18)F]FCWAY for 5-HT1A receptor binding, MRI, and psychiatric assessment. Sixteen healthy volunteers had [(11)C]DASB, 19 had [(18)F]FCWAY, and 6 had both PET studies. We used a reference tissue model to estimate [(11)C]DASB bi...
The purpose of this study was to conduct a systematic review of prospective studies that examined the association between sugar-sweetened beverage intake before 6y of age and later weight or BMI status among older children. An electronic literature search was conducted in the MEDLINE/PubMed, SciELO, and EBSCO databases of prospective studies published from 2001 to 2011. Seven studies were analy...
BACKGROUND Morbid obesity can be a life threatening condition. The aim of our study is to assess the trend in morbid obesity in The Netherlands among children of Dutch origin since 1980, and among children of Turkish and Moroccan origin since 1997. METHODS AND FINDINGS Cross-sectional height and weight data of children of Dutch, Turkish and Moroccan origin aged 2-18 years were selected from t...
Deforestation or vegetation degradation is one of the main drivers of global earth changes, which has significant consequences in terms of ecosystem performance and biodiversity conservation. One of the ways for studying vegetation changes as the most important indicator of land degradation is remote sensing. In this study, in order to monitor the vegetation degradation trend in Ilam Province.A...
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