共 6 条
[3]
MONOAMNIOTIC TWINS WITH AN UNUSUAL CORD COMPLICATION - CASE-REPORT
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1981, 88 (07)
:774-775
[5]
NYBERG DA, 1984, J ULTRAS MED, V3, P29
[6]
SALERNO LJ, 1959, OBSTET GYNECOL, V14, P205