作者: Crohn's and Colitis Foundation of Canada - Manitoba/Saskatchewan Region
许可证: CC BY 2.0
分辨率: 1564x2355
来源: open_image
作者: Crohn's and Colitis Foundation of Canada - Manitoba/Saskatchewan Region
许可证: CC BY 2.0
分辨率: 1564x2355
来源: open_image