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تعداد نتایج: 17344950 فیلتر نتایج به سال:
background : breast cancer is a complicated disease and has various clinical manifestations and prognosis. the aim of this study is to make a breast cancer model suitable for basic, preclinical and clinical studies. materials and methods: five virgin bulb/c mice aged 6 weeks and spontaneous murine mammary adenocarcinoma cells (mmac) were used. after anesthesia induction, 1-3 million of mmacs we...
Extratropical cyclones give rise to most of the high impact weather in mid-to high-latitudes during cool seasons, including heavy precipitation and strong winds. Thus it is important for stakeholders be informed approaching periods increased or decreased cyclone activity. While individual tracks can predicted out about a week so, from 2 on, statistics summarizing activity, storminess, are more ...
abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...
A 2-year-old female presents for evaluation of 4 weeks of daily fevers. When the fevers began, she had mild upper respiratory tract symptoms, which quickly resolved. The fevers persisted, however, with a maximum of 40°C. The child's review of symptoms was significant for a 1-kg weight loss over the past month. Ten months before presentation, she had moved from Saudi Arabia with her family. One ...
heterotopic pregnancy is rare under natural circumstance (conception). we report the first case of heterotopic pregnancy in spontaneous conception with four previous caesarean sections and ruptured tubal ectopic with resultant successful normal intra-uterine pregnancy delivered at term after salpingectomy. a 32-year-old gravida 5 para 4+0 with 3 living children, with 4 previous caesarean sectio...
Heterotopic pregnancy is rare under natural circumstance (conception). We report the first case of heterotopic pregnancy in spontaneous conception with four previous caesarean sections and ruptured tubal ectopic with resultant successful normal intra-uterine pregnancy delivered at term after salpingectomy. A 32-year-old gravida 5 para 4+0 with 3 living children, with 4 previous caesarean sectio...
abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...
the present study sought to examine whether a task-based approach could have an impact on raising awareness of collocations. moreover, it sought to investigate the facilitative role of consciousness-raising tasks of collocations in the communicative instances of use. to this end, 68 intermediate learners of english were selected via a placement test. the participants were taught with classroom ...
Among all environmental factors, the temperature is considered one of key elements that control growth and development saffron. This study was undertaken to investigate effect thermal forcing corms on saffron development. To this end, mother were collected at four different periods: late March (T2) , mid-April (T3) April (T4), after leaf senescence (Control, T1) . The each period then pretreate...
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