Ramírez Díaz, K.I. and Espinoza Briones, J.C. 2026. Gastrointestinal diseases of waterborne origin in Nuevo León: an application of Hidden Markov Models (HMM). Trendinomics. 2, 1 (Jan. 2026), 1–9. DOI:https://doi.org/10.29105/trendinomics.v2i1.13.