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This article is too US-centric - aren't PPIs widely used around the world?
The citations in this article should follow one of the reccomended styles. -- Mikeblas 16:26, 29 May 2006 (UTC)
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content assessment scale. It is of interest to the following WikiProjects: | ||||||||||
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This article is too US-centric - aren't PPIs widely used around the world?
The citations in this article should follow one of the reccomended styles. -- Mikeblas 16:26, 29 May 2006 (UTC)