共 6 条
[1]
AMNIOCENTESIS WITH AND WITHOUT ULTRASOUND GUIDANCE
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1979, 86 (01)
:1-3
[3]
HYKES DL, 1985, ULTRASOUND PHYSICS I, P19
[5]
ROMERO R, 1985, OBSTET GYNECOL, V65, P426
[6]
WILLIAMSON RA, 1985, OBSTET GYNECOL, V65, P751