Benchmarking of closed vision-language models for Ki-67 index prediction in breast cancer histopathology images. - Harold Brayan Arteaga-Arteaga; Juan Andrés Giraldo-Arias; Mario Alejandro Bravo-Ortiz; Cristina Juarez-Landin; Pablo Guillén-Rondon; Reinel Tabares-Soto (Expert Syst. Appl., 2026)