نتایج جستجو برای: in less developed or developing countries like iran
تعداد نتایج: 17328890 فیلتر نتایج به سال:
seroepidemiologic studies in developing countries show a high rate of helicobacter pylori (h. pylori) infections in children, in contrast to developed countries. the aim of this study was to evaluate the prevalence of h. pylori in children and teenagers in tabriz, northwest of iran. in this prospective study 44 children and teenagers were randomly selected to study serum igg against h. pylori u...
The slogan of WHO in 1986 is “healthy life, victory for all”. It shows more confirmation and attention to positive personal and social activities in direction of health maintenance and health promotion. But in the world that anticipating near one billion people added to young and adolescent population up to 2000 and majority of them live in undeveloped countries and don’t access to health facil...
AIMS Prognosis of esophageal cancer (EC) is poor. Population-based studies regarding EC survival and adequacy of cancer surgery (ACS) from developing countries are lacking. We aimed to evaluate EC patients' survival and ACS in a population-based setting for the first time from Iran. METHODS We randomly selected 409 cases from all 3048 newly diagnosed EC patients who were registered in the nat...
This article has considered the volume and direction of Iran’s trade using the gravity model. The major issue in this analysis is to explore why Iran over or under-traded with the 76 countries relative to the predicted trade flows of the model. The study attempts to explore the reasons from the respect of both the model itself and Iran’s trade structure. This is done by analysing the performanc...
this paper using endogenous growth models based on research and development, has investigated two economic relations in three groups of countries included developed countries, developing countries and a mixed group of both mentioned ones. at first, the effects of r&d; activities on patent growth have examined and then the relation between volume of patent and growth rate in these groups has sur...
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