Sampling and ethical issues in a multicenter study on health of people with intellectual disabilities

1. Veenstra, M.Y.
2. Walsh, P.N.
3. Van Schrojenstein Lantman-De Valk, H.M.J.
4. Haveman, M.J.
5. Linehan, C.
6. Kerr, M.P.
7. Weber, G.
8. Salvador-Carulla, L.
9. Carmen-Cara, A.
10. Azema, B.
11. Buono, S.
12. Germanavicius, A.
13. Tossebro, J.
14. Maatta, T.
15. Van Hove, G.
16. Moravec, D.