Predominance of symptoms over time in early-onset psychosis: a principal component factor analysis of the Positive and Negative Syndrome Scale.
Rapado-Castro
Marta
M
Adolescent Unit, Department of Psychiatry, Hospital General Universitario Gregorio Marañón, C/ Ibiza 43, 28009 Madrid, Spain. mrapado@hggm.es
Soutullo
Cesar
C
Fraguas
David
D
Arango
Celso
C
Payá
Beatriz
B
Castro-Fornieles
Josefina
J
González-Pinto
Ana
A
Parellada
Mara
M
Graell
Montserrat
M
Baeza
Inmaculada
I
Bombin
Igor
I