https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13973915Edit ImageSaveSaveEditCropCustom TextRoy F. Fritz. Photograph by L.J. Bruce-Chwatt.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 864 px | 300 dpiLarge JPEG 3231 x 2326 px | 300 dpiFree DownloadRoy F. Fritz. Photograph by L.J. Bruce-Chwatt.More