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		Original Articles		
		
			Pulmonology		
		Clinical impact of long-term change in air trapping on pulmonary function and computed tomography parameters in chronic obstructive pulmonary disease
	
 
	- Jeong Uk Lim, Jae Seung Lee, Ji-Hyun Lee, Sang-Do Lee, Yeon-Mok Oh, Chin Kook Rhee
 
	- Korean J Intern Med. 2021;36(3):636-646.
 
	
		
 
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			Gastroenterology		
		Identification of distinctive clinical significance in hospitalized patients with endoscopic duodenal mucosal lesions
	
 
	- Yeji Han, Hye-Kyung Jung, Ji Young Chang, Chang Mo Moon, Seong-Eun Kim, Ki-Nam Shim, Sung-Ae Jung, Joo-Young Kim, Ji-Yun Bae, Sae-In Kim, Ji-Hyun Lee, Sanghui Park
 
	- Korean J Intern Med. 2017;32(5):827-835.