Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MAHMOUD Mohamed E. and SOLIMAN Ezzat M. and El-DISSOUKY Ali,Metal Uptake Properties of Polystyrene Resin Immobilized Polyamine and Formylsalicylic Acid Derivatives as Chelation Ion Exchangers.,Analytical Sciences,09106340,The Japan Society for Analytical Chemistry,1997,13,5,765-769,https://cir.nii.ac.jp/crid/1390282679228924800,https://doi.org/10.2116/analsci.13.765