TY  - GEN
AU  - Liu,R Z
TI  - [Proposals on the improvement of sanitary and health services]
SN  - 0254-6450
PY  - 1987///1021
KW  - China
KW  - Health Services
KW  - Humans
KW  - Life Expectancy
KW  - Longevity
KW  - Sanitation
N1  - Publication Type: Journal Article
ER  -