Intestinal problems, such as ulcerative colitis and Crohn's disease, also seem to make some people more susceptible.
Intestinal problems, such as ulcerative colitis and Crohn's disease, also seem to make some people more susceptible.
小肠问题，例如溃疡性结肠炎和节段性回肠炎，使得某些人更加易感染口腔溃疡。