Ovulation induction with a starting dose of 50 IU of recombinant follicle stimulating hormone in WHO group II anovulatory women: The IO-50 study, a prospective, observational, multicentre, open trial

1. Calaf Alsina, J.
2. Ruiz Balda, J.A.
3. Romeu Sarrió, A.
4. Caballero Fernández, V.
5. Cano Trigo, I.
6. Gómez Parga, J.L.
7. González Batres, C.
8. Rodríguez Escudero, F.J.