Abstract Background Substance use disorders (SUD) often co-occur with attention deficit hyperactivity disorder (ADHD). Although the short-term effects of some specific interventions have been investigated in randomized clinical trials. little is known about the long-term clinical course of treatment-seeking SUD patients with comorbid ADHD. Aims This paper presents the protocol and bas... https://www.roneverhart.com/Peavey-KB-1-20-Watt-1x8-Keyboard-Amplifier-p27006/