共 10 条
[1]
BERNASCHEK G, 1987, DIAGNOSTIC ULTRASOUN, P572
[2]
CACIATORE B, 1989, AM J OBSTET GYNECOL, V160, P133
[4]
FLEISCHER AC, 1986, J ULTRAS MED, V5, P445
[5]
JOHNSON MA, 1982, J ULTRAS MED, V1, P161
[6]
MESTWERDT W, 1983, GYNAKOLOGE, V16, P87
[10]
YUOPALA S, 1977, ACTA OBST GYNECOL SC, V70, P7