Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MURAKAMI Ayako and NISHIZAWA Hideyuki and ISHIHARA Masao,"Microdetermination of polyamines (putrescine, cadaverine, spermidine, and spermine) using polyamide thin-layer",BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,1982,31,11,624-627,https://cir.nii.ac.jp/crid/1390001204051489280,https://doi.org/10.2116/bunsekikagaku.31.11_624