共 10 条
[1]
Crelin E S, 1981, Clin Symp, V33, P1
[2]
Crelin E S, 1974, Clin Symp, V26, P1
[3]
ENGLAND AM, 1983, COLOR ATLAS LIFE BIR
[4]
Isaacson G, 1986, ATLAS FETAL SECTIONA
[5]
Moore, 1982, DEV HUMAN
[7]
Timor-Tritsch I E, 1988, ULTRASOUND Q, V6, P1
[8]
TIMORTRITSCH IE, 1987, OBSTET GYNECOL, V70, P424
[10]
TIMORTRITSCH IE, 1987, TRANSVAGINAL SONOGRA, P15