共 16 条
[1]
DONALD J, 1965, AM J OBSTET GYNECOL, V93, P935
[2]
HASSID M, 1977, COMMUNICATION NOV
[3]
JOUPPILA P, 1971, ACTA OBSTET GYNE S15
[5]
KOBAYASHI M, 1974, ILLUSTRATED MANUAL U
[6]
KRATOCHWIL A, 1968, ULTRASCHALLDIAGNOSTI
[7]
Levi S, 1973, Int J Gynaecol Obstet, V11, P195
[8]
LEVI S, 1972, DIAGNOSTIC ULTRASONS
[9]
LEVI S, 1976, DIAGNOSTIC ULTRASOUN, P76
[10]
REINOLD E, 1976, ULTRASONICS EARLY PR