Fiedor, J. et al. 2026. The Effect of Gold Nanoparticles and β-Carotene on the States of Hemoglobin Present in Erythrocytes. Acta Physica Polonica A. 150, 1-3 (Nov. 2026), S69. DOI:https://doi.org/10.12693/APhysPolA.150.S69.