Impact of placebo assignment in clinical trials of tic disorders

1. Cubo, E.
2. González, M.
3. Singer, H.
4. Mahone, E.M.
5. Scahill, L.
6. Müller-Vahl, K.R.
7. de la Fuente-Fernández, R.
8. Armesto, D.
9. Kompoliti, K.