搜索结果: 1-1 共查到“医学统计学 quality”相关记录1条 . 查询时间(0.156 秒)
Quality of life in Zahedan elderly population
elderly clients Zahedan elderly population
font style='font-size:12px;'>
2009/12/24
Introduction: It has been estimated that 335 million elderly,about 13 percent of general population,live in developing countries. It has been predicted that in 2040, this percentage will rise to 20 pe...