Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Endo Yukie and Uehara Mariko and Suzuki Kazuharu and Goto Shiro,Determination of salt concentration in soup by test paper.,The Japanese Journal of Nutrition and Dietetics,00215147,The Japanese Society of Nutrition and Dietetics,1987,45,2,77-83,https://cir.nii.ac.jp/crid/1390282681526298496,https://doi.org/10.5264/eiyogakuzashi.45.77