2023. Synthesis, Spectroscopy of New Lanthanide Complexes with Schiff Base Derived From (4-Antipyrinecarboxaldehyde with Ethylene Di-Amine) and Study the Bioactivity. Baghdad Science Journal. 20, 2 (Apr. 2023), 0305. DOI:https://doi.org/10.21123/bsj.2022.7088.