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Pain alleviation during cryotherapy of plantar viral warts using a non-invasive vibratory device: a randomised intra-individually controlled trial

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  • Contributors HLT and LT planned the study. YPK wrote the manuscript and collected patient data. MMC and XZ assisted with data collection and statistical analysis.

  • Funding HLT is supported by the National Medical Research Council of Singapore grant NMRC/CSA-INV/0023/2017.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.