https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997810Edit ImageSaveSaveEditCropCustom TextJean Riolan. Line engraving by G. Rousselet after Varie.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 848 x 1200 px | 300 dpiLarge JPEG 2256 x 3193 px | 300 dpiFree DownloadJean Riolan. Line engraving by G. Rousselet after Varie.More