sheikhshoaii, F., Fozooni, S., & Hamidian, H. "Balangu/Fe3O4/Ag2S/Polyurethane as an Innovative Bio-Nanocomposite Hydrogel: Synthesis, Characterization, Swelling and Drug Delivery Capacity", Journal of Sciences, Islamic Republic of Iran, 33, 3, 2022, 233-243. doi: 10.22059/jsciences.2022.347040.1007746