Performance of first-trimester combined screening at the hospital universitario nuestra señora de candelaria

1. Rodríguez-Zurita, A.
2. Santos, L.M.M.
3. García, A.M.
4. Silva, I.P.
5. Escudero, J.F.L.
6. Bello, M.Á.G.
7. de Basoa, C.M.F.