共 25 条
[1]
ACKER DB, 1985, OBSTET GYNECOL, V66, P762
[2]
ALLEN R, 1991, OBSTET GYNECOL, V77, P352
[3]
THE QUALITY OF ROUTINELY COLLECTED MATERNITY DATA
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1994, 101 (12)
:1042-1047
[8]
Evans-Jones G, 2003, ARCH DIS CHILD-FETAL, V88, P185, DOI 10.1136/fn.88.3.F185

