https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962080Edit ImageSaveSaveEditCropCustom TextA physician examining a urine flask. Oil painting after G. Dou.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 982 x 1200 px | 300 dpiLarge JPEG 2454 x 3000 px | 300 dpiFree DownloadA physician examining a urine flask. Oil painting after G. Dou.More