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김상진,곽영태,박상근 대한신경외과학회 1994 Journal of Korean neurosurgical society Vol.23 No.2
Anterior exposure to the upper two thoracic vertebrae is technically difficult with transceMcal approach. The authors used a tqnsstemal biclavicular approach to the T1 metastatic adenocatcinoma in a 47 year old patient. The advantages of this approach are that : 1) it leaves the insertion of the sternocleidomastoid muscles intact and prevents the complication of respiratory problem, 2) it gives most wide surgical field among the other similar approaches and 3) this procedure is not hanspleural but transmediastinal approach.
가축배설물의 재생자원이용에 대한 경종농가의 선호분석 : 선택형 컨조인트모형을 이용하여
신용광,佐佐木 市夫,곽영태 한국농업정책학회, 한국축산경영학회 2000 농업경영정책연구 Vol.27 No.1
This paper estimates crop farmer's preference on renewable resource using a choice-based conjoint model. For the data, 2,074 questionnaires were collected from 89 crop farmers in the Otofuke, Japan in 1999. From the empirical results, this study examines several attributes and levels of renewable resource influencing crop farmer's utilities and simulates the market share of the renewable resource.