Ou W-L, Li C-T, Chen D-C. The lightness distribution of the red color for the nail plate related to human healthy level. Arch Community Med Public Health [Internet]. 2023 Oct. 20 [cited 2025 Aug. 14];9(4):064-5. Available from: https://www.healthdisgroup.com/acmph/article/view/ACMPH-9-304