共 11 条
[1]
FLYE MW, 1972, SURGERY, V71, P744
[4]
IPSEN SEK, 1984, ACTA OBSTET GYNECOL, V63, P723
[6]
KIRKINEN P, 1987, J REPROD MED, V32, P379
[7]
LANDING BH, 1979, AM REV RESPIR DIS, V120, P151
[8]
ROMERO R, 1982, J ULTRAS MED, V1, P131
[9]
Savic B, 1979, ADV INTERNAL MED PED, P58
[10]
THOMAS CS, 1986, J ULTRAS MED, V6, P688