Diagnosing adult attention deficit hyperactivity disorder: are late onset and subthreshold diagnoses valid?
Faraone SV, Biederman J, Spencer T, Mick E, Murray K, Petty C, Adamson JJ, Monuteaux MC. Diagnosing adult attention deficit hyperactivity disorder: are late onset and subthreshold diagnoses valid? Am J Psychiatry. 2006 Oct; 163(10):1720-9; quiz 1859.