Kanchalearpong P, Putthisri S. The impact of COVID-19 pandemic on symptoms and functions in attention deficit hyperactivity disorder children in psychiatric out patient department at Ramathibodi hospital. J Psychiatr Assoc Thailand [internet]. 2023 Jun. 29 [cited 2026 Sep. 23];68(2):127-41. available from: https://he01.tci-thaijo.org/index.php/JPAT/article/view/259831