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. 2018 Oct 31;9:1243. doi: 10.3389/fphar.2018.01243

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Copyright © 2018 Postma, De Smet, Gispen-de Wied, Leufkens and Mantel-Teeuwisse.

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Signals on potential shortages characterized by ATC class (indexed for market share; at 1.0 the proportion of signaled products with this ATC class is equal to the proportion of products on the Dutch market with this ATC class).