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中国中药产业技术流动状态分析——以专利转移数据为样本 被引量:8
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作者 邓飞飞 袁红梅 《情报杂志》 CSSCI 北大核心 2016年第6期91-95,共5页
[目的/意义]通过对制药企业中药专利转移数据进行解析,将中药产业技术流动状态清晰呈现,为进一步促进企业技术流动、活跃中药产业技术市场提供一些建议。[方法/过程]以中药专利转移数据为样本,运用突变级数法、网络图等研究方法,从专利... [目的/意义]通过对制药企业中药专利转移数据进行解析,将中药产业技术流动状态清晰呈现,为进一步促进企业技术流动、活跃中药产业技术市场提供一些建议。[方法/过程]以中药专利转移数据为样本,运用突变级数法、网络图等研究方法,从专利转移的时间演进、区域格局、主体关系、转移时机、技术信息5方面研究中国中药产业技术流动状态。[结果/结论]发现中药产业的技术流动状态在2003年和2007年分别发生了状态的跃升及突变,2007年之后趋于稳定增强状态;中国跨区域的中药专利转移关系整体较为脆弱,各省区的中药专利转移行为存在较为严重的不均衡现象;企业间技术流动关系极为分散孤立,状态不够活跃,处于技术流动的初级阶段等现象;以及有关转移最佳时机的把握及转移蕴含的技术信息等情况,并针对这些发现提出建议。 展开更多
关键词 中药产业 技术流动 专利转移 区域格局 主体关系 转移时机 技术信息
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Surgical approaches of resectable synchronous colorectal liver metastases:Timing considerations 被引量:8
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作者 Ioannis Vassiliou Nick Arkadopoulos +8 位作者 Theodosios Theodosopoulos Georgios Fragulidis Athanasios Marinis Agathi Kondi-Paphiti Lazaros Samanides Andreas Polydorou Constantinos Gennatas Dionysios Voros Vassilios Smyrniotis 《World Journal of Gastroenterology》 SCIE CAS CSCD 2007年第9期1431-1434,共4页
AIM: To compare the safety and efficacy of simultaneous versus two stage resection of primary colorectal tumors and liver metastases. METHODS: From January 1996 to May 2004, 103 colorectal tumor patients presented wit... AIM: To compare the safety and efficacy of simultaneous versus two stage resection of primary colorectal tumors and liver metastases. METHODS: From January 1996 to May 2004, 103 colorectal tumor patients presented with synchronous liver metastases. Twenty five underwent simultaneous colorectal and liver surgery and 78 underwent liver surgery 1-3 mo after primary colorectal tumor resection. Data were retrospectively analyzed to assess and compare the morbidity and mortality between the surgical strategies. The two groups were comparable regarding the age and sex distribution, the types of liver resection and stage of primary tumors, as well as the number and size of liver metastases. RESULTS: In two-stage procedures more transfusions were required (4 ± 1.5 vs 2 ± 1.8, pRBCs, P < 0.05). Chest infection was increased after the two-stage approach (26% vs 17%, P < 0.05). The two-stage procedure was also associated with longer hospitalization (20 ± 8 vs 12 ± 6 d, P < 0.05). Five year survival in both groups was similar (28% vs 31%). No hospital mortality occurred in our series. CONCLUSION: Synchronous colorectal liver metastases can be safely treated simultaneously with the primary tumor. Liver resection should be prioritized over colon resection. It is advisable that complex liver resections with marginal liver residual volume should be dealt with at a later stage. 展开更多
关键词 Synchronous colorectal liver metastases Colon resections Liver resections
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