Source:http://linkedlifedata.com/resource/umls/id/C0029121
NCI: A behavior disorder characterized by a persistent pattern of defiant, disobedient, and hostile behavior towards authority figures, manifested by a frequent loss of temper, arguing, becoming angry or vindictive, or other negativistic behaviors.,CSP: recurrent pattern of negativistic, defiant, disobedient, and hostile behavior toward authority figures that persists for at least 6 months and is characterized by frequent occurrence of at least four of the following behaviors: losing temper, arguing with adults, actively defying or refusing to comply with requests or rules of adults, deliberately annoying others, blaming others for own mistakes, easily annoyed, angry or resentful; frequently attention deficit disorders and learning disorders are associated with this disorder.