共 7 条
[1]
ARABIN B, 1980, THESIS FREIE U BERLI
[2]
HANSMANN M, 1976, Z GEBURTSH PERINATOL, P183
[3]
HOFFBAUER H, 1979, CONTRIBUTIONS GYNEC, V5, P145
[5]
PRENZLAU P, 1977, ZBL GYNAKOL, V99, P45
[6]
SCHLENSKER KH, 1981, ULTRASCHALL MED, P205
[7]
WIEDEMANN HR, 1961, MED MSCHR, V15, P816