Kee-Young Yoo

TL;DR: In a nested-case control study of 100 cases of gastric cancer and 400 matched controls in relation to virulence factors of Helicobacter pylori in a Korean cohort, CagA seropositivity was significantly associated with a higher risk of Gastric cancer among H.pylori-infected subjects.

TL;DR: An enhancement based on generalized ElGamal signature scheme to resolve problems of forgery attack and enables users to update their passwords freely without the help of a remote system, while also providing mutual authentication.

TL;DR: It is demonstrated that Tsai’s authentication scheme is still vulnerable to offline password guessing attacks, Denning-Sacco attacks, and stolen-verifier attacked, and does not provide perfect forward secrecy, and a new secure and efficient authentication scheme based on the elliptic curve discrete logarithm problem is proposed in order to overcome such security problems.

TL;DR: A new efficient verifier-based key agreement protocol for three parties which does not require server's public key to prevent password guessing attacks is proposed.

TL;DR: An increased risk of stomach cancer in this age group is the notable finding among Koreans in Korea, according to a series of incidence estimation studies of cancers through a nationwide survey.