共 7 条
[1]
Kjessler B, 1977, Acta Obstet Gynecol Scand Suppl, V69, P5
[4]
NORGAARDPEDERSEN B, 1976, SCAND J IMMUNOL S, V4, P1
[5]
Persson P H, 1978, Acta Obstet Gynecol Scand Suppl, V78, P15
[6]
WALD N, 1977, LANCET, V2, P268
[7]
1977, LANCET, V1, P1323