共 9 条
[3]
BERNASCHEK G, 1987, DIAGNOSTIC ULTRASOUN
[5]
KADAR N, 1981, OBSTET GYNECOL, V58, P156
[6]
KADAR N, 1986, RADIOLOGY, V161, P854
[7]
Kratochwil A, 1969, Geburtshilfe Frauenheilkd, V29, P379
[8]
NELSON P, 1983, J ULTRAS MED, V2, P543