Choi, Mi-Kyeong, Nam-Young Kim, Yeon-Kyung Lee, Young-Ran Heo, Taisun Hyun, Se-Young Oh, Hyeryun Park, Hee-Kyong Ro, and Eun-Soon Lyu. “Contribution of Food Groups to Sodium and Potassium Intakes by Their Ratio in Korean Adults”. Progress in Nutrition 21, no. 2 (June 5, 2019): 285-293. Accessed September 16, 2019. http://mattioli1885journals.com/index.php/progressinnutrition/article/view/6888.