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Yang, Jian-Feng, Mark Fox, Hua Chu, Xia Zheng, Yan-Qin Long, Daniel Pohl, Michael Fried, i Ning Dai. "Four-sample Lactose Hydrogen Breath Test for Diagnosis of Lactose Malabsorption in Irritable Bowel Syndrome Patients With Diarrhea." World J Gastroenterol 2015.

Yang, Jian-Feng, et al. "Four-sample Lactose Hydrogen Breath Test for Diagnosis of Lactose Malabsorption in Irritable Bowel Syndrome Patients With Diarrhea." World J Gastroenterol 2015.