Vitamin Supplementation and Risk of Stroke [1] (multiple letters)

1. Aguirre, C.
2. Ruiz-Irastorza, G.
3. Egurbide, M.-V.
4. Martinez-Berriotxoa, A.
5. Wald, D.S.
6. Spence, J.D.
7. Toole, J.F.
8. Chambless, L.E.
9. Wang, C.-H.
10. Stampfer, M.
11. Pettigrew, L.C.
12. Howard, V.J.
13. Sides, E.G.