TY  - JOUR 
T1  - The effect of methylphenidate on oppositional defiant disorder comorbid with attention deficit/hyperactivity disorder
JO  - Arquivos de Neuro-Psiquiatria
A1  - Serra-Pinheiro, Maria Antonia
A1  - Mattos, Paulo
A1  - Souza, Isabella
A1  - Pastura, Giuseppe
A1  - Gomes, Fernanda
SN  - 0004-282X
UL  - 10.1590/S0004-282X2004000300005
VL  - 62 
Y1  - 2004
PB  - Brasil 
ER  -