中国出生性别比的近期趋势──从医院记录获得的证据
李伯华
Population Research . 1994, (4): 1 -9 . 

Copyright © Population Research, All Rights Reserved.
Tel: 010-62511320　Fax: 010-62511320　E-mail: rkyj@ruc.edu.cn
Powered by Beijing Magtech Co., Ltd.