Renaldi, Kaka, et al. “Influence of Fucoidan in Mucus Thickness of Gastric Mucosa in Patients With Chronic Gastritis”. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, vol. 12, no. 2, Jan. 2011, pp. 79-84, doi:10.24871/122201179-84.