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정용호 ( Yong Ho Chung ) 대한내과학회 1969 대한내과학회지 Vol.12 No.4
From January, 1965 to June, 1968, clinical observation was done for 129 cases of bronchiectasis, visited our department and pediatrics of Chonnam University Hospital. 1. The male-female ratio was 2: 1, and 2nd decade age group showed the highest incidence
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한국인 양극성장애 환자에서 endothelial nitric oxide synthase 유전자 다형성
정상근 ( Sang Keun Chung ),최명수 ( Myong Su Choi ),양종철 ( Jong Chel Yang ),박태원 ( Tae Won Park ),정영철 ( Yong Chul Chung ),정애자 ( Ae Ja Jung ),황익근 ( Ik Keun Hwang ) 전북대학교 의과학연구소 2009 全北醫大論文集 Vol.33 No.1
Objectives: Although endothelial nitric oxide synthase(eNOS) gene has been investigated in many neuropsychiatric disorders, results were controversial and even contradictory. We performed this study to examine the genotypes and the allele frequency distribution of eNOS gene in Korean bipolar disorder patients, and the differences between them and healthy controls. Methods: eNOS genotypes in 51 bipolar disorder patients and 121 healthy controls were analyzed by polymerase chain reaction and amplified refractory mutation system. Results: When genotypes of eNOS were classified as a/a, a/b, b/b, there were no statistical differences in genotypes between two groups. There were also no statistical differences in allele frequency between two groups. Conclusions: These results suggest that eNOS gene may not be causally related to the development of bipolar disorder in Korean population.
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정용호(Yong Ho Chung),함원경(Won K. Hwam),박상철(Sang Chul Park),최정주(Jung Ju Choi) (사)한국CDE학회 2013 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2013 No.1
This paper proposes algorithm for efficient fixture modeling for automotive body assembly line that should be remodeled frequently whenever changes of design occur. A fixture model consists of geometric model and kinetic model. We develop an algorithm extracting kinetic model from geometric model. In automotive body assembly lines, Kinetic models of fixtures mostly follow the same mechanism, the so-called slider-crank mechanism; this is a four-axis system of three revolute and one prismatic joint. It is very important to identify the prismatic axis from a given geometric model to extract the kinetic model of a fixture. We employ the concept of collision detection. The result of collision detection is a Boolean saying whether two or more objects collide.
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