Influence of administration of echo enhancers on interobserver variability in stress echocardiography

1. Zamorano, J.L.
2. Sánchez, V.
3. Almería, C.
4. Rodrigo, J.L.
5. Mataix, L.
6. Aubele, A.
7. Serra, V.
8. Sánchez-Harguindey, L.