共 18 条
[2]
Drife JO., 1991, ANTENATAL DIAGNOSIS
[4]
GRIFFITHS DM, 1985, LANCET, V1, P623
[6]
THE LOSS OF EARLY-PREGNANCY
[J].
BAILLIERES CLINICAL OBSTETRICS AND GYNAECOLOGY,
1989, 3 (04)
:769-790
[10]
MARTEAU TM, 1992, PRENATAL DIAGNOSIS S, P663