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양진석,김승용,한덕희,한경아,유형준 대한내과학회 1992 대한내과학회지 Vol.42 No.5
파종성 골결핵은 총결핵의 0.2% 미만에서 발생하는 드문 질환으로 알려져 있다. 저자들은 발열 및 오한을 주소로 입원한 18세 남자 환자에서 X-선 촬영과 골동위원소 활영 및 골생검을 통해 확진된 척추와 늑골, 고관절, 두개골, 경골에 발생한 파종성 골결핵 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. 환자는 항결핵제 투여후 증상의 호전을 보였으며, 현재 추적 조사중이다. Disseminated bone tuberculosis is an uncommon condition and had been reported to be developed in approximately less than 0.2% of all cases of tuberculosis. We recently experienced a case of disseminated bone tuberculosis in an Byear-old male patient who complained of fever and chilling sensation. Roentgenograms showed multiple radiolucent areas and bone scanning revealed increased uptake of radioisotope in the thoracic spine, left 3 rd and right 6 th ribs, right hip joint, skull and right distal tibia. Bone biopsy of right tibia revealed a typical chronic granulomatous inflammation consistent with tuberculosis. The patient was treated with antituberculous medication and discharged with improved condition.
양진석,박재진,박영근 한국인터넷전자상거래학회 2019 인터넷전자상거래연구 Vol.19 No.3
The purpose of this study is to investigate the effects of self efficacy and regulatory focus on perceived usefulness, perceived ease of use, perceived reliability and behavioral intention of mobile banking service. Data were collected for adults over 20 years of age who have used mobile banking services directly, and to verify the mediating effects of perceived value, mediation effects were analyzed using phantom variables. The analysis results are as follows: First, Self efficacy has a positive effect on perceived usefulness and perceived ease of use, and perceived reliability is rejected. Second, Prevention focus has a negative effect on the perceived reliability, and perceived usefulness and ease of use were rejected. Third, Promotion focus was found to have positive influence on all three perceived values. Fourth, The effect of perceived value on behavioral intentions is also positive(+). Fifth, The mediating effects of perceived usefulness in the relationship between self - efficacy and behavioral intention were significant, The mediating effect of perceived usefulness and the mediating effect of perceived reliability were significant in the relationship between promotion focus and behavioral intention. The implication is that the TAM psychological predecessor, the self-efficacy, the influence factor of the regulatory focus, and the phantom parameter are significant. This study will help understand and improve mobile banking by providing useful fundamentals to marketers or managers interested in mobile banking services.
선천성 편측 비대증(Congenital Hemihypertrophy)을 동반한 Linear and Whorled Nevoid Hypermelanosis 1예
양진석,배은영,박영민,김형옥,김정원 대한피부과학회 2003 大韓皮膚科學會誌 Vol.41 No.11
Linear and whorled nevoid hypermelanosis(LWNH) is a congenital disorder characterized by hyperpigmented macules in a linear and whorled pattern along Blaschko's lines, and develops a few weeks after birth. Skin manifestations closely resemble hypomelanosis of Ito with inverse pigmentation. There is no preceding inflammatory event and no pigmentary incontinence histologically. It may be associated with various congenital abnormalities. We report a case of linear and whorled nevoid hypermelanosis associated with congenital hemihypertrophy of left extremities in a 10-year old boy. (Korean J Dermatol 2003;41(11) : 1564-1567)
양진석,김형천,정태명,Yang, Jin-Seok,Kim, Hyoung-Chun,Chung, Tai-Myoung 한국정보처리학회 2013 정보처리학회논문지. 컴퓨터 및 통신시스템 Vol.2 No.3
In this paper, We send DDoS(Distributed Denial of Service) attack traffic to real homepages in real networks. We analyze the results of DDoS attack and propose mitigation method against DDoS Attacks. In order to analyze the results of DDoS Attacks, We group three defense level by administrative subjects: Top level defense, Middle level defense, Bottom level defense. Also We group four attack methods by feature. We describe the results that average of attack success rate on defense level and average of attack success rate on attack categories about 48ea homepages and 2ea exceptional cases. Finally, We propose mitigation method against DDoS attack. 본 논문은 DDoS 공격과 유사한 트래픽을 생성하고 ISP를 포함한 네트워크를 통해 실제 운용 중인 웹서버에 전송하여 결과를 분석하였다. 결과 분석을 위해서 대응 장비의 관리 주체에 따라 DDoS 공격의 대응 방법을 ISP(Top), 네트워크(Middle), 시스템(Bottom) 레벨 대응으로 분류하였으며 전송 트래픽을 특징에 따라 4종으로 분류하였다. 실험 결과는 48개 홈페이지의 대응 레벨별 평균 공격 성공률과 공격 분류별 평균 공격 성공률을 기술 및 분석하였으며 2개의 예외 상황에 대해서 기술하였다. 5장에서는 실험 결과를 기반으로 피해완화방안을 제시하였다.