the present study was conducted to compare the effect of individual and group pre-task planning on efl learners’ accuracy and complexity in speaking. to fulfill the purpose of the study, 60 intermediate female learners at the first grade of high school were chosen by means of a sample preliminary english test (pet) and randomly divided into two experimental groups of 30 students; the individual...

background: this work investigated the dosimetry limitations of the random and systematic uncertainties of sliding window (sw) intensity modulated radiation therapy (imrt). materials and methods: a varian 21ex linear accelerator, pinnacle3 treatment planning system and radiographic film dosimetry was used. the limitations of the sw were studied using beam modulation ranging from 2 to 100 mu/bea...

abstract background: obesity is an independent risk factor of preeclampsia with unknown mechanism and hyperlipidemia might be a probable case of it. objective: the objective of this study was to determine the role of hyper-triglyceridemi in association with high prepregnancy body mass index and the risk of preeclampsia. materials and methods: the authors conducted this case-control study of 42 ...

background and objective: hypertensive disorders complicating pregnancy are common and from one of the deadly triad, along with hemorrhage and infection that contribute greatly to prenatal and maternal morbidity and mortality in the developing countries. this study was designed to investigate the relationship between maternal hypothyroidism and pre-eclampsia. materials and methods: in a prospec...

background: pre-eclampsia, a vascular disorder of pregnancy, is a leading cause of maternal morbidity as well as perinatal morbidity and mortality. the cause of pre-eclampsia remains largely unknown. accumulating evidences from clinical and epidemiological studies suggest that diffuse endothelial dysfunction, resulting from oxidative stress, plays an important role in the pathogenesis of pre-ec...