Influence of gravidity and foetal gender on the value of screeningvariables in the first trimester of pregnancy |
Illescas, T.;Fernandez, C.;Ortega, D.;de la Puente, M.;Coronado, P.;Montalvo, J.; |
European Journal of Obstetrics & Gynecology and Reproductive Biology |
2013-03-01 |
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