TY - ECHAP
AU - Yan L.
AU - Zeng Y.
AU - Li L.
BT -  Research on Elderly Population, Family, Health and Care Needs/Costs
CY - Beijing
LA - eng
PB - Science Press
PP - Beijing
PY - 2010
SP - 116
EP - 35
T2 -  Research on Elderly Population, Family, Health and Care Needs/Costs
TI - Research on relation between social-economic status and health on Chinese elderly
ER -