Hypertension in the very elderly trial (HYVET): Protocol for the main trial

1. Staessen, J.
2. Bulpitt, C.
3. Swift, C.
4. Fletcher, A.
5. Tuomilehto, J.
6. Beckett, N.
7. Coope, J.
8. Gil-Extremera, B.
9. Forette, F.
10. Nachev, C.
11. Potter, J.
12. Sever, P.