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국내에서 사육중인 펭귄의 Aspergillosis 발생과 치험례
임영재,Lim young Jae 대한수의사회 1982 대한수의사회지 Vol.18 No.1
1. The result that the author has been giving treatment for penguins for 5 years from April in 1976 upfill June of 1981 on young Farm L-and, three cases among eight cases of dead penguins were dead from Aspergillosis. 2. After aspergillus fumigutus isolat
경주마 생산을 위한 혈액형 연구 II. 혈청 Transferrin형에 대하여
임영재,최귀철,Lim Young-Jae,Choi Gui-Chul 한국임상수의학회 1991 한국임상수의학회지 Vol.8 No.1
Transferrin type of stallions and their foals in total of 56 was analysed. Phenotype showed 8 types(AA, AB, AC, AD, AE, BB, BC, BD), while gene frequencies A ; 0.410, B ; 0.455, C : 0.063, D ; 0.063, E ; 0.09 There were not negative factors in the result of idenification of real paternity but showed AC type that is abscent in their parents.
Proper Cut-off Value of Free to Total PSA Ratio for Detection of Prostate Cancer in Korean Men
임영재,김재욱,홍성준,정병하 연세대학교의과대학 2004 Yonsei medical journal Vol.45 No.5
To assess whether the free-to-total prostate specific antigen (PSA) ratio (F/T PSA ratio) would enhance prostate cancer detection in Korean men with serum total PSA levels between 4 and 20ng/ml. Methods: A total of 240 consecutive patients whose serum PSA levels were between 4 and 20ng/ml were enrolled in this two-year study. All patients underwent ultrasound-guided transrectal biopsies of the prostate gland. The F/T PSA ratio was measured using the Roche immunoassay. Results: Of the 240 patients, 202 (84%) had benign histologies, while 38 (16%) had prostate cancer. The two patient groups were well matched for age. The mean F/T PSA ratio showed a statistically significant difference between the two groups: in the benign histology group it was 0.14 (0.04-0.37), and 0.10 (0.08-0.20) in the prostate cancer group (p<0.05). Out of the 183 patients with a PSA level between 4-10ng/ml, the mean F/T PSA ratios were 0.14 and 0.11 in the benign histology (n=158) and prostate cancer groups (n=25), respectively (p<0.05). From the 57 patients with a PSA level between 10-20ng/ml, the mean F/T PSA ratios were 0.14 and 0.10 in the benign histology (n=44) and prostate cancer groups (n=13), respectively (p<0.05). Overall, when the cut-off value of the F/T PSA ratio was 0.10, the sensitivity and specificity were 75.0% and 76.5%, while for the cut-off value of 0.15 they were 83.3% and 39.7% respectively. Conclusion: Our data demonstrated the usefulness of the free to total PSA ratio in distinguishing benign prostate disease and cancer disease, hence eliminating unnecessary biopsies. It is recommended that a cut-off value for the F/T PSA ratio of 0.10 be applied to Korean men which this is lower than the value used in Western countries.
임영재,정종기,정병곤,Lim Young-Jae,Jeong Jong-Gi,Jeong Byoung-Gon 대한수의사회 1992 대한수의사회지 Vol.28 No.5
Blood typing of the horses participated in Seoul Olympic Games were analysed through the electroporesis. Blood samples had been collected from the total 234 horses of 32 countries and analyses included albumin, esterase, Xk protein and transferrin types.
Determinants of Corporate Loans and Bonds before and After Economic Crisis in Korea
임영재 한국개발연구원 2006 KDI Journal of Economic Policy (KDI JEP) Vol.28 No.2
The paper suggests that there has been a shift in the allocation of bank credit from large firms to small firms before and after the economic crisis. The paper also suggests that the improved lending practices of financial institutions, at least partially, contributed to this shift of corporate loans from large firms to small firms. Comparing the periods before and after the economic crisis also suggests that some important changes occurred to the corporate bond market. The effect of firm size on the corporate bond market differs before and after the economic crisis. Before the crisis, the larger the firms, the more they could borrow in the corporate bond market. However, after the crisis, it is not the case. The following interpretation could be put forward. Before the crisis, investors in the corporate bond market expected that the government would rescue large firms if they face the risk of bankruptcies. However, the collapse of Daewoo Group in 1999 shattered the TBTF (Too Big To Fail) myth of the public. The liquidity crisis of Hyundai Group in 2000-2001 reinforced the disintegration of the TBTF myth. 경제위기 이후 은행 등 금융기관의 기업규모별 대출분포를 살펴보면 대규모 기업에서 중소규모 기업으로 그 비중이 이동하였음을 알 수 있다. 이러한 현상의 원인 중 하나로 경제위기 이후 진행된 금융구조 개혁으로 금융기관의 대출관행이 개선된 점을 들 수 있다. 경제위기 이후 회사채시장에서도 중요한 변화가 정착되고 있다. 경제위기 이전에는 기업 또는 그룹의 규모 자체가 회사채 조달 에 있어 중요한 결정요인 중 하나였는데, 경제위기 이후 그러한 현상이 사라져가고 있는 것이다. 이는 경제위기 이전에는 소위 “대마불사”의 신화로 일반투자자들이 대규모 재벌의 회사채를 수익성과 관계없이 선호하였으나, 1999년 대우그룹 붕괴 및 2000~2001년 현대그룹 유동성 위기 등으로 그러한 불합리한 믿음이 깨지게 된 것과 밀접한 관련이 있다.