?STUDIES OF THE POLYNUCLEAR COMPLEXES OF LABILE LIGANDS OF VITAMIN B 1 AND Zn (II), Cd (II) AND Hg (II) WITH Fe (III). (2003). Biological Sciences - PJSIR, 46(6), 432-435. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1695