Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKANO Masahumi and YOSHIWARA Masaaki and SAKURAGAWA Akio,Flow Injection Analysis of Choline in Supplements Using Choline Oxidase Immobilized Enzyme Reactor Column,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,2007,56,9,765-771,https://cir.nii.ac.jp/crid/1390282679332970496,https://doi.org/10.2116/bunsekikagaku.56.765