Piazza, Marina, and Fabián Fiestas. “Annual Prevalence of Mental Disorders and Use of Mental Health Services in Peru: Results of the World Mental Health Survey, 2005”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 31, no. 1, Mar. 2014, https://doi.org/10.17843/rpmesp.2014.311.5.