Synthesis, characterization and biological activity of two Schiff base ligands and their nickel(II), copper(II), zinc(II) and cadmium(II) complexes derived from S-4-picolyldithioca... by Khoo, Teng Jin, Break, Mohammed Khaled, Crouse, Karen Anne, Mohamed Tahir, Mohamed Ibrahim, Ali, A. M., Cowley, Andrew R., Watkin, D. J., Tarafder, M. T. H.