نتایج جستجو برای: direct exposure test
تعداد نتایج: 1473527 فیلتر نتایج به سال:
visceral leishmaniasis (vl) or kala-azar is considered as a parasitic disease caused by the species of leishmania donovani complex which is intracellular parasites. this systemic disease is endemic in some parts of provinc-es of iran. the aim of this study was to determine the seroprevalence of vl in qom province, central iran using di-rect agglutination test (dat).overall, 1564 serum samples (...
background autoimmune hemolytic anemia is a hematologic disorder that is rarely observed in infants and young children. most of the cases are associated with viral or bacterial infections. in some cases, aiha can be characterized by a chronic course and an unsatisfactory control of hemolysis, thus requiring prolonged immunosuppressive therapy. case report especially in children younger than 2 y...
while the oecd test guidelines and mostly animal assays have been used to study the toxic effects of chemicals for many years, very little is known about the potential toxicity of vast majority of inhaled chemicals. considering large number of chemicals and complex mixtures present in indoor and outdoor air, heavy reliance on animal test methods appear to be not adequate. continuing scientific ...
recent years have witnessed an increased attention to form focused instruction and consciousness raising activities (ellis, 2002; doughty & williams, 1998) on the one hand and extensive and meaningful exposure to the target language (klapper & rees, 2003; day & bamford, 1998) on the other. due to significance attributed to above mentioned issues by scholars, this study attempted to bridge them ...
background and aims: the aluminum-containing compounds are used as glaze in tile and ceramic production plants. it means that the workers working in these plants are in direct exposure to aluminum-containing compounds. the aim of this study was to assess the potential damages caused by aluminum among tile plant workers. methods: in this cross-sectional study, 60 workers whom were in direct expo...
ایمپلنت h.a چشمی در ابتدا بوسیله آرتورپری در 1985 بکار رفته برای استفاده عمومی در 1989 بوسیله fda، توسعه یافت . ما در یک مطالعه مقطعی، عوارض ایجاد شده در بیمارانی را که بعد از تخلیه چشم در آنها کره هیدروکسی آپاتیت کار گذاشته شده بود، بررسی کردیم. این مطالعه بر روی بیماران از سال 1372 تا 1377 انجام شده است . از بین 30 مورد بیمار مورد مطالعه، 8 مورد (26 درصد) دچار عارضه شده بودند که 6 نفر آنها مر...
Background and aims: The aluminum-containing compounds are used as glaze in tile and ceramic production plants. It means that the workers working in these plants are in direct exposure to aluminum-containing compounds. The aim of this study was to assess the potential damages caused by aluminum among tile plant workers. Methods: In this cross-sectional study, 60 workers whom were in direct exp...
background: visceral leishmaniasis (vl) or kala-azar is a parasitic disease caused by the species of leishmania donovani complex. mediterranean type of the disease is endemic in some parts of iran and more than 95% of cases were reported in children up to 12 years of age. this study was performed to determine the seroprevalence of vl in the rural areas of dashti district from bushehr province. ...
background: this study aimed to determine the seroprevalence of canine visceral leishmaniasis in meshkin-shahr district as endemic areas of human visceral leishmaniasis (hvl) for presenting control program of hvl to health authorities. methods: a seroepidemiological study to determine seroprevalence of canine visceral leishmaniasis (cvl) among ownership dogs using direct agglutination tests (...
b a c k g r o u n d & aim: visceral leishmaniasis (vl) or kala-azar is a parasitic disease caused by the species of leishmania donovani complex. mediterranean type of disease is endemic in some parts of iran and more than 95% of seropositivity cases were reported in children up to 12 years of age. a cross-sectional study was conducted to determine the seroprevalence of vl in nomadic tribe’s pop...
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