“Gasto de bolsillo en salud en el Hospital Regional Polivalente IPS Concepción de usuarios de los servicios de clínica médica y cirugía 2020: Out-of-pocket spending on health at the IPS Multipurpose Regional Hospital Conception of users of medical clinic and surgery services 2020” (2023) Medicinae Signum ISSN 3007-9527, 2(1), pp. 36–47. Available at: https://revistas.unc.edu.py/index.php/fmunc/article/view/172 (Accessed: 5 December 2025).