Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SUGIYAMA Shingo and KONDO Junichi and OKAMOTO Masakatsu and SUGITA Mamoru and SUMIKAWA Michito,A Spectrophotometric Assay for Choline in Enteral Nutrition,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,2014,63,9,743-749,https://cir.nii.ac.jp/crid/1390282679636941312,https://doi.org/10.2116/bunsekikagaku.63.743