共 8 条
[1]
Family size, fertility preferences, and sex ratio in China in the era of the one child family policy: results from national family planning and reproductive health survey
[J].
BMJ-BRITISH MEDICAL JOURNAL,
2006, 333 (7564)
:371-373
[5]
LIN B, 2003, THESES COLLECTION 20, P57
[7]
WANG G, 2000, P EUR COST F3 C SYST, V1, P15
[8]
China's excess males, sex selective abortion, and one child policy: analysis of data from 2005 national intercensus survey
[J].
BMJ-BRITISH MEDICAL JOURNAL,
2009, 338
:920-923