Kang Bin Yim

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The prevalence of gastrointestinal reflux disease (GERD) in hemodialysis (HD) and peritoneal dialysis (PD) patients was assessed at a single center with a self-administered questionnaire previously used in a general population. It defines (GERD as the presence of heartburn or acid regurgitation, or both. Risk factors for GERD and GERD-associated symptoms(More)
The portable storage market environment is rapidly changing due to the emergence of USB memory. USB memory is used as a portable storage device by many users. However, due to the high portability of USB memory, USB sticks are frequently lost and stolen. In this Paper we suggest a secure user authentication method in which it is hard to guess the password(More)
An AAA protocol is an information protection technology that systematically provides authentication, authorization and accounting functions not only in existing wired networks, but also in rapidly developing wireless networks. Currently, standardization of various applied services is in progress which involves AAA standardization for a mobile user in a(More)
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