【作者(必填)】William S. Comanor

【文题(必填)】Research and Technical Change in the Pharmaceutical Industry

【年份(必填)】1965

【全文链接或数据库名称(选填)】http://www.jstor.org/discover/10.2307/1924065?uid=20213600&uid=3737800&uid=2129&uid=2&uid=70&uid=365654691&uid=3&uid=67&uid=28121&uid=62&sid=21103195901963