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تعداد نتایج: 13610599 فیلتر نتایج به سال:
background: copper and zinc are the elements with numerous physiological activities. copper (cu) has an important role in angiogenesis and acts by increasing vascular endothelial growth factor (vegf). serum levels of copper will be increased in cancer incidence, progression and recurrence. the aim of this study was to measure blood levels of copper, zinc, and the ratio of cu /zn, as ...
0 = fx 0 a; y 0 bg I 1 = (ffx x 0 ; z z 0 g 0 =: 1 g; ;) 1 = fx a; z z 0 g Hence, the original constraint can be simplied to C 1 = f:s(a; z 0);r(a;z 0)g, which is easily refuted by looking up s(a,c 50) and disproving r(a,c 50). It should be quite obvious that the advantage of the additional exibility provided by our mechanism heavily depends on a good procedure for deciding whether to take an e...
background: child ho od cancer, as o n e of the life thre at ening and most serio u s health pro b lems, co n si d er a bly i n fl u en ce s the cogniti v e and soci a l functions of children with c ancer and the i r families; ho w e ver, sur p risin gl y e n ough, t h ese chil d ren are q u ite co mpatible w ith their pe ers and even fu n ction bet t er emotio n ally compa r ed with norm a l c...
background: b re a st con s er v i n g surg e ry ( b c s ) f o l l owed b y loc a l rad i ot h e ra p y is the standard t r eatment for e a rly sta g e of breast cancer. margin stat u s may have an important impact on local recurren c e and over a ll s u rvival of patients treated with bcs, but this h a s not b een defined adequately. in this study, we in ve stigated the rela t io n ship betwee...
abstract: colorectal cancer (crc) is the third most common cancer in men and the second most common cancer in women worldwide. both genetic and epigenetic alterations are common in crc and are the driving force of tumorigenesis. chromosomal instability, microsatellite instability and cpg island methylator phenotype pathways are responsible for genetic instability in colorectal cancer. chromosom...
background: considering the importance of updating information about incidence and mortality of common or fatal cancers and the need for studying the effectiveness of changes in the iranian cancer registration system from pathological based to population based since 2007, the aim of this study was to provide updated population based information on incidence and mortality rates...
abstract breast cancer is one of the major health problems of the eastern world. regardless of the survival rate improvement with progression in screening and adjuvant systemic therapies, still one – third of the patients with primary breast cancer have recurrence of micro metastasis after 10 years. it is important to discover a reliable biomarker for detection of breast cancer. the underlying...
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