Predominance of symptoms over time in early-onset psychosis: A principal component factor analysis of the positive and negative syndrome scale

1. Rapado-Castro, M.
2. Soutullo, C.
3. Fraguas, D.
4. Arango, C.
5. Payá, B.
6. Castro-Fornieles, J.
7. González-Pinto, A.
8. Parellada, M.
9. Graell, M.
10. Baeza, I.
11. Bombin, I.