专利对中药企业收益的影响-基于中药上市公司数据的实证分析
徐曼, 袁红梅
Impact of Patents on Profits of Chinese Medicine Enterprises-An Empirical Analysis Based on Data of Listed Chinese Medicine Enterprises
Xu Man, Yuan Hongmei
中国药事
.
2019, (2): 143
-152
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DOI: 10.16153/j.1002-7777.2019.02.005
