@article{ref1,
title="The comorbidity of ADHD in a community sample of children aged 6 through 16 years",
journal="Journal of child and family studies",
year="1994",
author="Bird, Hector and Gould, Madelyn and Staghezza-Jaramillo, Beatriz",
volume="3",
number="4",
pages="365-378",
abstract="Secondary analyses of the data from the Puerto Rico Child Psychiatry Epidemiologic Study were undertaken to provide information on the comorbidity patterns of ADHD. A high level of comorbidity was found among ADHD and other diagnostic categories, particularly the conduct/oppositional group. Comorbidity was associated with level of impairment and with service utilization.<p />",
language="",
issn="1062-1024",
doi="10.1007/BF02233996",
url="http://dx.doi.org/10.1007/BF02233996"
}