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bang zhu lao ren kua yue hei se de dong ji
Author(s): 
Pages: 33-34
Year: Issue:  1
Journal: Regimen

Abstract: <正> 立冬以后,天气转寒,北方的冷空气一路南下,还会出现一次次的寒潮。严冬季节,对老年人的健康是一大威胁,对老慢支、哮喘病、肺气肿等病人来说,更是难熬的关口,故有人称它为"黑色的冬季"。据资料统计,寒
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