Kobayashi Takashi, Nishiumi Shin, Yoshida Masaru, Azuma Takeshi
Authors' Affiliations: Divisions of Gastroenterology and Metabolomics Research, Department of Internal Medicine and The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan.
Cancer Epidemiol Biomarkers Prev. 2013 Oct;22(10):1922. doi: 10.1158/1055-9965.EPI-13-0740.