First derivation in Spain of human embryonic stem cell lines: Use of long-term cryopreserved embryos and animal-free conditions

1. Simón, C.
2. Escobedo, C.
3. Valbuena, D.
4. Genbacev, O.
5. Galan, A.
6. Krtolica, A.
7. Asensi, A.
8. Sánchez, E.
9. Esplugues, J.
10. Fisher, S.
11. Pellicer, A.