https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13992691Edit ImageSaveSaveEditCropCustom TextAn operating room in a surgery: three patients are undergoing operations. Pen drawing by Z.S. after an engraving, 1690.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1037 x 1200 px | 300 dpiLarge JPEG 2479 x 2868 px | 300 dpiFree DownloadAn operating room in a surgery: three patients are undergoing operations. Pen drawing by Z.S. after an engraving, 1690.More