This investigation is to compare the diagnostic efficacy of infrared spectrometer with mass spectrometry for UBT in the evaluation of Helicobacter pylori (H. pylori) infection.

• 本研究的目的在于比较红外线光谱仪及质谱仪于碳-13尿素呼气法诊断幽门螺旋杆菌感染的评估。