Effectiveness of a protein-supplemented very-low-calorie diet program for weight loss: a randomized controlled trial in South Korea oleh Eunbyul Cho, Sohye Kim, Hwa Jung Kim, Belong Cho, Jin Ho Park, Hyuktae Kwon, Ju Young Kim, Yumi Go, Dong Gyun Kang, Eunyoung Shin, Sumi Lee, Siye Gil, Hyerim Kim, Jihyun Ahn, Joo Young Kim, WonJoo Jung, Eunyoung Go