2.引文检索和参考文献回溯过程, (1)引文检索: 数据库名称: Web of science 检索式:被引作者=( Gort er.,)AND被引著作=( Curr Mol med)入库时间=2008.数 据库=SCI- EXPANDED. 被引著者、被引文献(1条题录) Gort EH Hypoxic regulation of metastasis via hypoxia-inducible factors Curr Mol med.2008;8(1):60-67 引用著者、引用文献(1条题录): Polyak K Transitions between epithelial and mesenchymal states acquisition of malignant and stem cell traits. Nat Rev Cancer. 2009:9(4):265-273 (2)参考文献回溯: 文献原文(1条题录) 袁彩霞低氧依赖低氧诱导因子1a增强卵巢癌细胞SKoV3中乙酰肝素酶的表达 及其侵袭力门中国医学科学院学报2008,30:711-716 参考文献(1条题录) Lee JW. Hypoxia-inducible factor(HIF-1) alpha: its protein stability and biological functions [J]. Exp Mol Med, 2004, 36(1): 1-12 7/8