“专利悬崖”背景下制药业的危机及我国的应对
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1001-5981|volume|6|80-84
ISSN： 1001-5981
Source： 湘潭大学学报：哲学社会科学版, Vol.volume, Iss.6, 2015-01, pp. : 80-84
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