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서울 위생 병원 5일 금연 학교를 방문한 우리나라 흡연자의 특성 및 입원 금연 교육 프로그램의 효과
이병수 ( Byung Soo Lee ),강기훈 ( Ki Hoon Kang ),채은하 ( Eun Ha Chae ),김명찬 ( Myung Chan Kim ),정재일 ( Jae Il Jung ),장희종 ( Hee Jong Chang ),이상훈 ( Sang Hoon Lee ),조동식 ( Dong Sik Cho ),신재규 ( Jai Gyu Shin ),김휘정 ( H 대한결핵 및 호흡기학회 2004 Tuberculosis and Respiratory Diseases Vol.57 No.5
기니픽의 전정기관 감각유모세포에 대한 Aminoglycoside의 영향
장희종,이광선 울산대학교 의과대학 1995 울산의대학술지 Vol.4 No.2
Experimental studies about the effects of various ototoxic drugs were performed by many authors, and among them antibiotic aminoglycoside-related ototoxicity has been widely studied. The histopathology of aminoglycoside ototoxicity has been relatively well described, but still many aspects are remained to be revealed and especially domestic studies are very insufficient. The authors applied small amount of gentamicin(GM) and streptomycin(SM) to the guinea pig through the fenestration of lateral semicircular canal, and sacrificed the animals at 4th and 8th weeks postoperatively. The authors performed in vivo fixation with 1% osmium tetroxide and post-fixation with modified Karnovsky's fixative. The three semicircular canals were obtained by microdissection. The cristae ampullares were embedded in the Immunobed kit and cut with the thickness of 2㎛ by Reichert-Jung Supercut. The mid-portions of each crista ampullaris were collected and stained with Hematoxylin and Eosin. The mounted slides were analyzed under light microscope with the image analyzer system. The results are as follow ; The distribution of sensory hair cells, especially type I cells showed a tendency to decrease in general, and was statistically significantly reduced in GM 8-week group. The areas of the epithelial layer and sensory cells also showed a tendency to decrease, but not so much extent as the decrease of cell numbers. The distribution and area of supporting cells didn't show a big difference between each group, but showed a statistically significant reduction in GM 8-week group. In conclusion, the crista ampullaris resulted in the loss of sensory hair and degenerative cell changes after aminoglycoside application. The numbers of hair cell had a decreasing tendency generally. The result of supporting cell reduction in one group should be further discussed. These results are thought to be a useful data for the study of vestibular pathophysiology induced by ototoxic drugs.
金鴻均,申一淳,張熙宗 한국국제경제학회 2002 국제경제연구 Vol.8 No.3
본 연구의 목적은 IT직업훈련의 경제적 성과를 측정하는데 있다. 경제적 성과의 측정은 두가지 측면 즉 고용과 임금의 관점에서 행해졌다. 사용된 자료는 1998~1999년의 한국노동패널조사 자료이며 대상은 1차 년도의 실업자 또는 실망실업자 1,877명이다. 본 연구의 주요 결과는 다음과 같다. 첫째, 취업효과에 있어 IT교육훈련의 질적인 측면의 중요성이 두드러지게 부각되었다. 단순히 IT직업훈련의 유무가 취업에 '음'의 효과를 가지는 것에 비해 6개월 이상 IT직업훈련을 사람은 그렇지 않은 사람에 비해 취업될 확률이 24%나 높게 나타났다. 둘째, 취업효과를 학력별로 살펴볼 경우, 고등학교 이하의 그룹에서는 6개월 이상 교육받은 사람은 그렇지 않은 사람에 비해 취업될 확률이 38% 높은 것으로 나타났는데, 이 수치는 고려된 다른 어떤 변수들보다 높다. 셋째, 취업효과에 비해 IT직업훈련이 임금에 미치는 효과는 뚜렷하게 나타나지 않았다. 넷째, 비 IT직업훈련도 마찬가지이지만 특히 IT직업훈련의 경우 공공기관보다 민간기관에서 직업훈련을 받는 것이 또한 타인(정부 혹은 회사)이 비용을 부담하는 것이 취업에 유리한 것으로 나타났다. In this paper, we examined that whether IT job-training affects employment and insures job to pay high salary. This paper reports that all job-training overall affect not only employment but wage premium. even though the effect on wage premium is somewhat weak. In particular, the effect of IT job-training on employment is obvious and get stronger as training period increases in the low-educated group. In the case of the persons to receive IT job-training more than 6 months, the probability to get job is found to be higher by 38% than persons without receiving any other job-training