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１９９８年世界首次上市的新药有新活性物质（ｎｅｗａｃｔｉｖｅｓｕｂｓｔａｎｃｅｓ，ＮＡＳ）［１］与新化学物体（ｎｅｗｃｈｅｍｉｃａｌｅｎｔｉｔｉｅｓ）［２］共计４６个。上市最多的国家是美国（３２个），其他依次为日本和德国（各４个），瑞士（２个），意大...
The world’s first new drug released in 1998 contained 46 newactivesubstances (NAS) [1] and newchemicalentities [2]. The most popular countries are the United States (32), followed by Japan and Germany (4 each), Switzerland (2), Italy ...