Methotrexate in the treatment of patients with persistent cardiac allograft rejection: Report of four cases and review of the literature

1. Fernandez Gonzalez, A.L.
2. Llorens, R.
3. Herreros, J.
4. De Alava, E.
5. Florez, I.
6. Di Stefano, S.
7. Garcia Fuster, R.