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Pharmaceutical companies spend more than ever on research and...
来自 : www.gmatonline.cn/question/179
发布时间：2021-03-25
Pharmaceutical companies spend more than ever on research and development; yet the number of new drugs patented each year has dropped since 1963. At the same time, profits— at constant 1963 dollars—for the industry as a whole have been steadily increasing.
Which of the following, if true, is the single factor most likely to explain, at least in part, the three trends mentioned above for money spent, drugs patented, and profits made?
2020年8月24日Pharmaceutical companies spend more than ever on research and development; yet the number of new drugs patented each year has dropped since ...Pharmaceutical companies spend more than ever on research and deve
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发布于 ： 2021-03-25
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