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											| Nephrology / Original Article											Usefulness of valacyclovir prophylaxis for cytomegalovirus infection after anti-thymocyte globulin as rejection therapy Eun Jeong Ko, Ji Hyun Yu, Chul Woo Yang, Byung Ha Chung 
												Korean J Intern Med. 2019;34(2):375-382.   Published online December 15, 2017												 
													Background/Aims: Anti-thymocyte globulin (ATG) treatment for acute T-cell mediated rejection (TCMR) can increase the risk of cytomegalovirus (CMV) infection. We aimed to evaluate the effect of valacyclovir prophylaxis against CMV infection after ATG administration as anti-rejection therapy.
Methods..												 |  |  
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											| Nephrology / Original Article											Effects of metformin on hyperglycemia in an experimental model of tacrolimus- and sirolimus-induced diabetic rats Jian Jin, Sun Woo Lim, Long Jin, Ji Hyun Yu, Hyun Seon Kim, Byung Ha Chung, Chul Woo Yang 
												Korean J Intern Med. 2017;32(2):314-322.   Published online September 30, 2016												 
													Background/Aims: Metformin (MET) is a first-line drug for type 2 diabetes mellitus (DM); its effect on new-onset diabetes after transplantation caused by immunosuppressant therapy is unclear. We compared the effects of MET on DM caused by tacrolimus (TAC) or sirolimus (SRL).
Methods: DM was induced..												 |  |  
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											| Nephrology / Original Article											Safety and immunologic benefits of conversion to sirolimus in kidney transplant recipients with long-term exposure to calcineurin inhibitors Ji Hyun Yu, Kyoung Woon Kim, Bo-Mi Kim, Byung Ha Chung, Mi-La Cho, Bum Soon Choi, Cheol Whee Park, Yong-Soo Kim, Chul Woo Yang 
												Korean J Intern Med. 2016;31(3):552-559.   Published online March 11, 2016												 
													Background/Aims: Sirolimus (SRL) is a promising immunosuppressant replacingcalcineurin inhibitors (CNIs). This study was performed to evaluate the safetyand immunologic benefits of conversion to SRL in stable kidney transplant (KT)recipients exposed to CNIs for long periods.
Methods: Fourteen CNI-t..												 |  |  
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											| Letter to the editor											Limited immune tolerance induced by transient mixed chimerism Ji Hyun Yu, Byung Ha Chung, Eun Ji Oh, Ji-Il Kim, Hee-Je Kim, In Sung Moon, Chul Woo Yang 
												Korean J Intern Med. 2015;30(5):735-738.   Published online August 27, 2015												 |  |  
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											| Letter to the editor											Recurrent neutropenia induced by rifabutin in a renal transplant recipient Ji Yeun Chang, Eun Gyo Jeong, Ji Hyun Yu, Byung Ha Chung, Chul Woo Yang 
												Korean J Intern Med. 2014;29(4):532-534.   Published online June 27, 2014												 |  |  |