共 5 条
[1]
CEDERQVIST LL, PRINCIPLES CLIN FETA
[2]
ELEVATED LEVELS OF MATERNAL PLASMA ALPHA-FETOPROTEIN AFTER AMNIOCENTESIS
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1976, 83 (01)
:33-34
[3]
LOS FJ, 1979, LANCET, V2, P1210
[4]
SAXENA BB, 1978, AM J OBSTET GYNECOL, V131, P87
[5]
1979, LANCET, V2, P651