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For single comparisons, an unpaired t test with Welchs correction was used

For the KwikPen store weeks 1-3, then discard after week 4: Never share your pen with other people, even if the pen needle has been changed

10.1016/j.crtox.2024.100171 320 YuX.JiaS.YuS.ChenY.ZhangC.ChenH.et al (2023)

Store at room temperature and away from direct sunlight