A dropout analysis of the second phase of the Swedish part of the European Youth Heart Study

1. Grjibovski, A.M.
2. Bergman, P.
3. Hagströmer, M.
4. Hurtig-Wennlöf, A.
5. Meusel, D.
6. Ortega, F.B.
7. Patterson, E.
8. Poortvliet, E.
9. Rizzo, N.
10. Ruiz, J.R.
11. Wärnberg, J.
12. Sjöström, M.