Jareoncharsri P, Bunnag C, Tunsuriyawong P, Atipas M, Voraprayoon S. An Open-Label Study of the Efficacy and Safety of a Herbal Secretolytic Preparation as a Sole Therapy in Patients with Sinusitis. Siriraj Med J [Internet]. 2002 Jul. 1 [cited 2024 Apr. 25];54(7):379-86. Available from: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245266