Zapata Rodriguez, M. and Seiglie, J. 2026. Systematic review of validated Spanish-language questionnaires for measuring treatment adherence in type 2 diabetes mellitus: Analysis of internal reliability. Revista Colombiana de Endocrinología, Diabetes & Metabolismo. 13, 2 (Jun. 2026). DOI:https://doi.org/10.53853/encr.13.2.1008.