共 14 条
[2]
CLARK SL, 1985, OBSTET GYNECOL, V66, P89
[8]
Imaging of the Placenta: A Multimodality Pictorial Review
[J].
RADIOGRAPHICS,
2009, 29 (05)
:1371-U207
[9]
FINBERG HJ, 1992, J ULTRAS MED, V11, P333