https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14014692Edit ImageSaveSaveEditCropCustom TextTwo hands held on either side of a dark mark on a forearm, to demonstrate the manual treatment of ulcers. Photograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 814 px | 300 dpiLarge JPEG 3220 x 2184 px | 300 dpiFree DownloadTwo hands held on either side of a dark mark on a forearm, to demonstrate the manual treatment of ulcers. Photograph.More