共 15 条
[1]
BESSHO T, 1995, JPN J MED ULTRASON, V22, P357
[5]
HANSMANN M, 1985, ULTRASCHELLDIAGNOSTI
[8]
Kalousek D K, 1993, Birth Defects Orig Artic Ser, V29, P53
[9]
Kalousek D K, 1987, Birth Defects Orig Artic Ser, V23, P153
[10]
KALOUSEK DK, 1984, PATHOLOGY PLACENTA, P7