...the stomach and upper part of the small intestine (duodenum). H. pylori can cause peptic ulcers ; however, most people with H. pylori in their digestive systems do...
這有很多的原因,我給你幾個 (1)這人患上了嚴重的胃潰瘍severe stomach ulcer .血液由胃經由pyloric sphincter流去小腸,再去大腸,最後經糞便中排出 (2)在大腸...