Cjuno, Julio, et al. “Adaptation to Quechua Collao and Psychometric Analysis of the Generalized Anxiety Questionnaire (GAD-7) in Puno, Peru”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 41, no. 2, June 2024, pp. 121-8, https://doi.org/10.17843/rpmesp.2024.412.13373.