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Federal
Health conditions among children under age 18, by selected characteristics: United States
U.S. Department of Health & Human Services —
NOTE: On October 19, 2021, estimates for 2016–2018 by health insurance status were revised to correct errors. Changes are highlighted and tagged at... -
Federal
Reference Data Set of Human Skin Reflectance
National Institute of Standards and Technology —
This data set contains 100 reference reflectance spectra of human skin, spanning the wavelength region from 250 nm to 2500 nm. The spectra were acquired with a...