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		Original Articles		
		
			Cardiology		
		Different therapeutic associations of renin-angiotensin system inhibitors with coronavirus disease 2019 compared with usual pneumonia
	
 
	- Hae-Young Lee, Juhee Ahn, Juhong Park, Chang Kyung Kang, Sung-Ho Won, Dong Wook Kim, Jong-Heon Park, Ki-Hyun Chung, Joon-Sung Joh, JI Hwan Bang, Cheong Hee Kang, Myoung-don Oh, Wook Bum Pyun
 
	- Korean J Intern Med. 2021;36(3):617-628.