Dewi, S., Usman, S. Y., Darmawan, G., & Girawan, D. (2020). Probiotics in Ankylosing Spondylitis: A Possible Potency. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, 20(3), 184–188. https://doi.org/10.24871/2032019184-188