Jareoncharsri, Perapun, Chaweewan Bunnag, Prayuth Tunsuriyawong, Mongkon Atipas, and Siriporn Voraprayoon. “An Open-Label Study of the Efficacy and Safety of a Herbal Secretolytic Preparation As a Sole Therapy in Patients With Sinusitis”. Siriraj Medical Journal 54, no. 7 (July 1, 2002): 379–386. Accessed April 19, 2024. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245266.