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. 2022 Jun 23;12(6):e057982. doi: 10.1136/bmjopen-2021-057982

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Flow chart of participants (SPIRIT 2013 statement). NSAID, non-steroidal anti-inflammatory drugs; SPIRIT, Standard Protocol Items: Recommendations for Interventional Trials; UTIs, upper urinary tract infections.