Cho S, Yeo Y, Cho IY, Jeon K, Yoo J.  Association between Chronic Obstructive Pulmonary Disease Risk and Nutritional Intake: Using the 2007–2015 Korea National Health and Nutrition Examination Survey Data.  KJFP 2021;11:288-295.  https://doi.org/10.21215/kjfp.2021.11.4.288