https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13986928Edit ImageSaveSaveEditCropCustom TextA physician examining a urine flask. Oil painting in the manner of Salomon de Koninck.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 975 x 1200 px | 300 dpiLarge JPEG 1286 x 1582 px | 300 dpiFree DownloadA physician examining a urine flask. Oil painting in the manner of Salomon de Koninck.More