Infertile couples prefer twins: Analysis of their reasons and clinical characteristics related to this preference

1. Mendoza, R.
2. Jáuregui, T.
3. Diaz-Nuñez, M.
4. de la Sota, M.
5. Hidalgo, A.
6. Ferrando, M.
7. Martínez-Indart, L.
8. Expósito, A.
9. Matorras, R.