[The evolvement of health expectancy].
Zhang
Zhong-Ying
ZY
Xuanwu Hospital, Captial Medical University, Beijing 100053, China.
Tang
Zhe
Z
Feng
Ming
M
D000368:Aged; D002681:China; D006304:Health Status; D006801:Humans; D008017:Life Expectancy; D015993:Life Tables