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. 2022 Sep 30;15:5759–5779. doi: 10.2147/IDR.S371845

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© 2022 Bastidas-Caldes et al.

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Categorization of 130 studies included in this systematic review from PubMed and additional databases between 1990–2021. Color bars represent the number of studies conducted in South American countries and number of studies per country categorized by sample type examined.