Change in disability - free expectancy for Americans 70 years old and older
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التقييم :
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السنة :2009
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التصنيف :دراسات وأبحاث
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جهة الإصدار :Demography Journal
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اللغة :الإنجليزية
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الملف :
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اللغة :إقرأ لاحقاً
The aim of this study is to evaluate the changes the life expectancy free of disability for persons who are in age (70) years old and obove, in order to arrived this aim the study use a survey and it idicate that there is increase in life expectancy rate for older people.
