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서규원(Kyoo Won Suh),임재석(Jae Suk Rim) 대한악안면성형재건외과학회 1986 Maxillofacial Plastic Reconstructive Surgery Vol.8 No.1
A case of buccal varices which showed mucosa discoloration, edema, discomfort in jaw function and slight pain was discovered. The 11 year-old male patient was operated with the techniques of stripping and ligation following Z-excision on superficial mucosa. Postoperative biopsy resulted dilated veins saturated with multiple thrombi. On follow-up checks, there were no remarkable complications except moderate scar contracture but now on long term complications such as pulmonary embolism and regional valvular dysfunction of veins should be followed up. A brief study of literature was accomplished, also.
R&D 지원제도와 기업 R&D 지출액간 관계 분석: 정부 R&D 보조금과 세제혜택을 중심으로
서규원 ( Kyoo Won Suh ),이창양 ( Chang Yang Lee ) 기술경영경제학회 2006 Journal of Technology Innovation Vol.14 No.1
The relationship between R&D polices(R&D subsidy, tax incentives) and firm R&D expenditures is analyzed through firm`s profit maximization function. As a result, the relationship between R&D policies and firm R&D expenditures is determined by the relationship between firm R&D expenditures and market price. In case of major innovation which cause the fall of market price, the elasticity R&D subsidy and firm R&D expenditures is negative(substitution). In case of minor innovation which cause the rise of market price, the elasticity R&D subsidy and firm R&D expenditures is positive(complement). Tax incentives is bring about the increase of firm R&D expenditures. R&D subsidy and tax incentives are substitutively influenced at firm R&D expenditures.
신승련(Seung Ryeon Shin),임재석(Jae Suk Rim),서규원(Kyoo Won Suh) 대한악안면성형재건외과학회 1987 Maxillofacial Plastic Reconstructive Surgery Vol.9 No.1
The ameloblastoma is a true neoplasm of enamel organ - type tissue. Ameloblastoma is recognized as a benign tumor. But it has a local infiltrative character. Therefore treatment of choice is surgical resection rather than conservative enuclestion. 5 months later following bone resection of mandible including tumor mass. We performed bone graft using 7th rib. And obtained a good result without any sign of recurrence.