| The relationship between placental histology and cervicalultrasonography in women at risk for pregnancy loss and spontaneous pretermbirth |
Guzman, E.R.;Shen-Schwarz, S.;Benito, C.;Vintzileos, A.M.;Lake, M.;Lai, Y.L.; |
American Journal of Obstetrics and Gynecology |
1999-10-01 |
查看 |
