TY  - GEN
AU  - Ren-Ying, Yan... [et al.].
AU  - McCarthy, Brian J.
AU  - Hui-Fang, Ye
AU  - Chuan-Yan, Qu
AU  - Zhu, Li
AU  - Tong-Xiang, Chen
AU  - Kowal, Deborah
TI  - The risk approach in perinatal health : Shunyi Country, People's Republic of China
PY  - 1989///
CY  - Atlanta, Ga. : 
PB  - U. S. Centers for Disease Control
KW  - Maternal health services
KW  - China
KW  - Risk factors
KW  - Maternal mortality
KW  - Perinatology
KW  - Infant mortality
KW  - Child health services
ER  -