| Found in | Work cat.: 93-36668: ADD and the college student : a guide for high school and college students with attention deficit disorder, c1993.
Lange, Klaus W et al. "The history of attention deficit hyperactivity disorder." Attention deficit and hyperactivity disorders vol. 2(4) 2010 : page 252 (In order to further improve the criteria, in particular with respect to empirical validation, the revision of the third edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III-R) in 1987 removed the concept of two subtypes and renamed the disorder "Attention deficit-Hyperactivity Disorder (ADHD)")
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