منابع مشابه
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Objectives Considering the migration age pattern and the aging trend in Iran, this study aims to investigate the migration effect on the aging spatial distribution of the country during 2006-2016. Methods & Materials This study is a secondary and descriptive-analytical analysis. The source used is the data of the general population and housing census and the analysis unit is the counties of th...
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Migration is an equilibrium process which reduces regional disparities at different stages of development and a process which is as old as human civilization. The rate of internal migration in the country has declined upto 1991. However, the figures of 2001 census reveal a reversal in this trend. The increase in the migration rate during 1990s is often viewed as a product of the forces unleashe...
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The author sketches the history of Japanese encephalitis in the USSR, where it has been thoroughly studied since it first occurred in 1938. After a brief outline of its epidemiology, he describes the pathogenesis, the signs and symptoms, and the pathophysiological mechanisms that make this form of encephalitis so dangerous. He also discusses the diagnosis and the methods of treatment and preven...
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From August 23 to September 13 a study tour was held in the USSR on the subject of Radiation Dosimetry in Medicine and Biology, at the invitation of the State Committee on the Utilization of Atomic Energy of the Soviet Union. Twenty-eight scientists from 28 developing countries — medical doctors, physicists and biologists — participated in the tour. The group visited 12 institutes in 5 towns, n...
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ژورنال
عنوان ژورنال: Demography
سال: 1967
ISSN: 0070-3370,1533-7790
DOI: 10.2307/2060294