THE DECLINE IN EFFECTIVE PATENT LIFE OF NEW DRUGS

被引:6
作者
EISMAN, MM [1 ]
WARDELL, WM [1 ]
机构
[1] UNIV ROCHESTER,SCH MED & DENT,CTR STUDY DRUG DEV,ROCHESTER,NY 14642
来源
RESEARCH MANAGEMENT | 1981年 / 24卷 / 01期
关键词
D O I
10.1080/00345334.1981.11756646
中图分类号
F [经济];
学科分类号
02 ;
摘要
引用
收藏
页码:18 / 21
页数:4
相关论文
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[5]  
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Tukey J. W., 1977, EXPLORATORY DATA ANA
[7]  
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[8]  
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