https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13982790Edit ImageSaveSaveEditCropCustom TextExperiments and observations on the gastric juice, and the physiology of digestion / By William Beaumont.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1146 px | 300 dpiLarge JPEG 1430 x 1366 px | 300 dpiFree DownloadExperiments and observations on the gastric juice, and the physiology of digestion / By William Beaumont.More