نتایج جستجو برای: low dose medicine
تعداد نتایج: 1670266 فیلتر نتایج به سال:
The role of aspirin in women with infertility is controversial and the evidence is inconsistent; some studies have reported benefits in women undergoing IVF whilst others have not. An important gap in the literature was the question of when to start and when to stop aspirin and how long should aspirin be given for. In a 2007 systematic review on the effectiveness of aspirin on IVF outcomes invo...
background: the formalism recommended by task group 60 (tg-60) of the american association of physicists in medicine (aapm) is applicable for β sources. radioactive biocompatible and biodegradable 153sm glass seed without encapsulation is a β- emitter with a short half life and delivers a high dose rate to the tumor in the millimeter range. in this work the dosimetry parameters of the seed for ...
Integrated SPECT/CT scanners are gaining popularity as hybrid molecular imaging devices which can acquire SPECT and CT in a single exam. CT can be a low dose non-contrast enhanced scan for attenuation correction and anatomical localization, or a contrast enhanced diagnostic quality scan for additional anatomical characterization. We present a pictorial review highlighting the usefulness of this...
background: iodine brachytherapy sources with low photon energies have been widely used in treating cancerous tumors. dosimetric parameters of brachytherapy sources should be determined according to aapm tg-43u1 recommendations before clinical use. monte carlo codes are reliable tools in calculation of these parameters for brachytherapy sources. materials and methods: dosimetric parameters (dos...
مقدمه: کلومیفن از داروهای اصلی در درمان سندرم تخمدان پلی کیستیک است. 20% بیماران به کلومیفن مقاوم هستند. درمبتلایان به تخمدان پلی کیستیک به علت افزایش حساسیت فولیکولها به گنادوتروپین ها رشد و تکامل چند فولیکول رخ می دهد که سبب سندرم ohss و چند قلویی می شود. هدف ما از این مطالعه ی تصادفی وکلینیکی مقایسه دو روشstep-up low-dose و step-down در مبتلایان به تخمدان پلی کیستیک مقاوم به کلومیفن می باشد....
OBJECTIVE To investigate whether Chinese medicine Tai-bao could inhibit antisperm antibody in experimental mice. METHODS The experimental immunoinfertility mice were due to antisperm antibody induced by injection of human sperm membrane antigens. The experimental immuno-infertile mice used in the present study were divided into four groups including Tai-bao high dose group (46.8 g.kg-1.d-1), ...
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