https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13992156Edit ImageSaveSaveEditCropCustom TextGregor Horst. Line engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 680 x 1200 px | 300 dpiLarge JPEG 1982 x 3500 px | 300 dpiBest Quality JPEG 2074 x 3662 px | 300 dpiFree DownloadGregor Horst. Line engraving.More