https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14011556Edit 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 921 x 1200 px | 300 dpiLarge JPEG 1238 x 1613 px | 300 dpiFree DownloadExperiments and observations on the gastric juice, and the physiology of digestion / By William Beaumont.More