Effect of pathoanatomic diagnosis on the quality of birth defects surveillance in China.
Pei
Li-Jun
LJ
Institute of Population Research/WHO Collaborating Center on Reproductive Health and Population Science, Peking University, Beijing 100871, China.
Chen
Gong
G
Song
Xin-Ming
XM
Wui
Ji-Le
JL
Li
Cheng-Fu
CF
Zou
Ji-Zhen
JZ
Lin
Jiu-Zhi
JZ
Zhang
Ting
T
Zheng
Xiao-Ying
XY