Open Access Research

Global impression of perceived difficulties in children and adolescents with attention-deficit/hyperactivity disorder: Reliability and validity of a new instrument assessing perceived difficulties from a patient, parent and physician perspective over the day

Peter M Wehmeier*, Alexander Schacht, Ralf W Dittmann and Manfred Döpfner

Child and Adolescent Psychiatry and Mental Health 2008, 2:10  doi:10.1186/1753-2000-2-10

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