نتایج جستجو برای: 4040
تعداد نتایج: 222 فیلتر نتایج به سال:
مقدمه: بهمنظور ارزیابی اثر مداخلات و ایجاد برنامه کنترل منطقی در زمینه hiv، تخمین تعداد موارد مثبت hiv از اهمیت بالایی برخوردار است. مواد و روشها: با استفاده از مرور ساختارمند، تمامی مقالات منتشر شده و متون منتشر نشده به زبان فارسی و انگلیسی مورد بررسی قرار گرفتند. سپس پارامترهای مورد نیاز برای مدلسازی استخراج شد. استخراج دادهها و ارزیابی معیارهای ورود به مطالعه بهطور مستقیم تحت نظارت گروه...
OBJECTIVE To compare the prevalence of amblyopia, strabismus, and significant refractive error among African-American, American Indian, Asian, Hispanic, and non-Hispanic white preschoolers in the Vision In Preschoolers study. DESIGN Multicenter, cross-sectional study. PARTICIPANTS Three- to 5-year old preschoolers (n=4040) in Head Start from 5 geographically disparate areas of the United St...
BACKGROUND The increasing trend in allergic diseases has become obvious in the present day, especially in developing countries like India, because of many factors such as change in ambient air quality, increased air pollution, metamorphic change in living habits and lifestyle, and climate.1 Mites present in house dust represent a major source of allergens, resulting in different allergic manife...
BACKGROUND Despite that over 90 million pregnancies are at risk of Plasmodium vivax infection annually, little is known about the epidemiology and impact of the infection in pregnancy. METHODOLOGY AND PRINCIPAL FINDINGS We undertook a health facility-based prospective observational study in pregnant women from Guatemala (GT), Colombia (CO), Brazil (BR), India (IN) and Papua New Guinea PNG). M...
BACKGROUND In the United States, human papillomavirus (HPV) and Papanicolaou (Pap) testing (cotesting) for cervical screening in women ages 30 to 65 years is the preferred strategy, and cytology alone is acceptable. Recently, a proprietary automated test for identifying high-risk HPV types for primary cervical screening was approved by the US Food and Drug Administration. The objective of the c...
دریافت: 12/2/92 پذیرش: 23/10/92 مقدمه: نظام گلوبال از سال 1378 در ایران به اجرا درآمد و در حال حاضر جهت پرداخت در سطح دوم و سوم خدمت بکار میرود. در این نظام بیماران بر طبق 60 مورد از اعمال جراحی شایع طبقهبندی میشوند. یکی از انواع اعمال جراحی گلوبال، عمل جراحی پیوند کلیه است.از آن جا که پس از گذشت چندین سال از اجرای این طرح و تفاوتهای معنادار مبالغ گلوبال و هزینههای واقعی اعمال جراح...
fect, spreading to downregulate additional pathways. Such a model would fit especially well if olfactory signal-4040–4045. some, as it were—then cGMP concentration would be highest near stimulated receptors. Thus, L'Etoile and Bargmann speculate that such organization of olfactory transduction components might serve to physically and biochemically insulate different complexes from each other. v...
PURPOSE To investigate the association of hyperopia greater than +3.25 diopters (D) with amblyopia, strabismus, anisometropia, astigmatism, and reduced stereoacuity in preschoolers. METHODS Three- to five-year-old Head Start preschoolers (N = 4040) underwent vision examination including monocular visual acuity (VA), cover testing, and cycloplegic refraction during the Vision in Preschoolers S...
BACKGROUND Human menopausal gonadotrophins and recombinant human follicle stimulating hormone are the two main gonadotrophin products utilized for controlled ovarian stimulation in assisted reproductive technologies. In this meta-analysis, the number of oocytes was designated as the most relevant endpoint directly resulting from ovarian stimulation, and therefore where the drug effect may be es...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید