Liu Jia について
Dep. of Gerontology,the Affiliated Hospital of Qingdao Univ. Medical Coll., Shandong, Qingdao について
Guo Zongjun について
Dep. of Gerontology,the Affiliated Hospital of Qingdao Univ. Medical Coll., Shandong, Qingdao について
Li Hong について
Zhongguo Laonianxue Zazhi について