Tipyawong T. Comparative Effectiveness Study between Nortriptyline and Clonidine for Smoking Cessation in Patients at Princess Mother National Institute on Drug Addict Treatment. J DMS [internet]. 2018 Oct. 1 [cited 2025 Mar. 26];43(5):49-55. available from: https://he02.tci-thaijo.org/index.php/JDMS/article/view/247761