- Original Articles Pulmonology Prevalence and risk factors for reflux esophagitis in patients with chronic obstructive pulmonary disease
- Seo Woo Kim, Jin Hwa Lee, Yun Su Sim, Yon Ju Ryu, Jung Hyun Chang
- Korean J Intern Med. 2014;29(4):466-473.
- The Body Mass Index as a Prognostic Factor of Critical Care
- So Yeon Lim, So I Kim, Yon Ju Ryu, Jin Hwa Lee, Eun Mi Chun, Jung Hyun Chang
- Korean J Intern Med. 2010;25(2):162-167.
- Prevalence of Depression and Anxiety in Outpatients with Chronic Airway Lung Disease
- Yon Ju Ryu, Eun-Mi Chun, Jin Hwa Lee, Jung Hyun Chang
- Korean J Intern Med. 2010;25(1):51-57.
- Outcomes and Prognostic Factors for Severe Community-Acquired Pneumonia that Requires Mechanical Ventilation
- Jin Hwa Lee, Yon Ju Ryu, Eun Mi Chun, Jung Hyun Chang
- Korean J Intern Med. 2007;22(3):157-163.
- ThE Role of Endoscopic Surgery for Completely Obstructive Endobronchial Benign Tumor
- Jae-Chol Choi, Chang Min Yu, Yon Ju Ryu, Kyeongman Jeon, Kyoung A Choi, O Jung Kwon, Hojoong Kim
- Korean J Intern Med. 2006;21(1):15-19.