Separate Binding and Functional Sites for ω co‐Conotoxin and Nitrendipine Suggest Two Types of Calcium Channels in Bovine Chromaffin Cells

1. Ballesta, J.J.
2. Palmero, M.
3. Hidalgo, M.J.
4. Gutierrez, L.M.
5. Reig, J.A.
6. Viniegra, S.
7. Garcia, A.G.