https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13973801Edit ImageSaveSaveEditCropCustom TextA physician examining a urine-flask. Oil painting by Justus Juncker.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1025 px | 300 dpiLarge JPEG 1490 x 1273 px | 300 dpiFree DownloadA physician examining a urine-flask. Oil painting by Justus Juncker.More