@article{article18b9afb0, title = {On gamma rays as predictors of ultra-high-energy cosmic-ray flux in active galactic nuclei}, author = {Oliveira, CainĂ£ de and Lang, Rodrigo Guedes and Batista, Pedro Ivo Silva}, year = {2025}, doi = {10.3847/1538-4357/adafa2}, journal = {Astrophysical Journal} }