(1)
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 2002, 54, 379-386.