Anti-cancer and anti-angiogenic properties of various natural pentacyclic tri-terpenoids and some of their chemical derivatives

1. Rufino-Palomares, E.E.
2. Pérez-Jiménez, A.
3. Reyes-Zurita, F.J.
4. García-Salguero, L.
5. Mokhtari, K.
6. Herrera-Merchán, A.
7. Medina, P.P.
8. Peragón, J.
9. Lupiáñez, J.A.