共 12 条
[1]
DAIKOKU NH, 1979, OBSTET GYNECOL, V54, P211
[2]
ENGLAND P, 1974, LANCET, V1, P5
[4]
LINDBERG BS, 1973, J OBSTET GYN BR COMM, V80, P1046
[5]
MILLER HC, 1971, PEDIATRICS, V48, P511
[6]
MILLER HC, 1972, PEDIATRICS, V49, P392
[9]
SPELLACY WN, 1975, AM J OBSTET GYNECOL, V121, P835
[10]
SPELLACY WN, 1976, OBSTET GYNECOL, V47, P446