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. 2022 Jun 17;10(6):333. doi: 10.3390/toxics10060333

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The relative increase (RR with 95% CI) in respiratory visits at all healthcare units in Visby associated with a 10 µg m⁻³ increase in PM₁₀ during the period of 2013–2019. All ages at the top, children (0–17 years) in the middle, and adults (>17 years) at the bottom. These analyses are divided into all respiratory diseases (ICD-10: J), upper airways (ICD-10: J0, J3), lower airways (ICD-10: J1, J4), and asthma (ICD-10: J45, J46) during winter/spring (January–April) and summer/autumn (May–December).