Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOTSUJI Keiya and WAKIYA Kazumi and HAYASHI Shigehiko,Extraction flotation/spectrophotometric determination of zinc in serum.,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,1987,36,11,745-749,https://cir.nii.ac.jp/crid/1390282679028054784,https://doi.org/10.2116/bunsekikagaku.36.11_745