| Trophoblast antigen levels in the first trimester of a trisomy 22 pregnancy |
Wheeler, D.M.;Edirisinghe, W.R.;Petchell, F.;Yovich, J.L.;Murch, A.R.;Saunders, D.M.;Sinosich, M.J.; |
European Journal of Obstetrics & Gynecology and Reproductive Biology |
1996-06-01 |
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