Reyes-Ortiz, J. A., Serafin-Rojas, N. K., Bravo, M. and Padilla-Cuevas, J. (2025) “Fine-Tuning Large Language Models and Machine Learning for Extracting Entities and Relationships in Spanish Medical Texts”, International Journal of Combinatorial Optimization Problems and Informatics, 16(4), pp. 473–485. doi: 10.61467/2007.1558.2025.v16i4.575.