TY  - JOUR 
T1  - Attention deficit hyperactivity disorder: prevalence and contribution on psycho-social factors
JO  - Arquivos de Neuro-Psiquiatria
A1  - Vasconcelos, Marcio Moacyr de
SN  - 0004-282X
UL  - 10.1590/S0004-282X2002000300038
VL  - 60 
Y1  - 2002
PB  - Brasil 
ER  -