Fitri, Andalia, et al. “Acupoint-Catgut Embedment Combined With Medication Does Not Decrease Interleukin-6 Levels Serum in Patients With Gastroesophageal Reflux Disease: A Randomized Controlled Clinical Trial”. Medical Journal of Indonesia, vol. 28, no. 3, Oct. 2019, pp. 241-5, doi:10.13181/mji.v28i3.1850.