共 7 条
[2]
GRIFFITHS M, 1989, ACTA CYTOL, V33, P324
[4]
MORELL ND, 1982, OBSTET GYNECOL, V60, P41
[5]
SPITZER M, 1987, OBSTET GYNECOL, V69, P731
[7]
TAWA K, 1988, OBSTET GYNECOL, V71, P229