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Gamma, Alex; Schleifer, Roman; Weinmann, Wolfgang; Buadze, Anna; Liebrenz, Michael (2016). Could Google Trends Be Used to Predict Methamphetamine-Related Crime? An Analysis of Search Volume Data in Switzerland, Germany, and Austria. PLoS ONE, 11(11), e0166566. Public Library of Science 10.1371/journal.pone.0166566
