Vidal-Cuéllar, C. L., Zanoni-Ramos, O. F., Mas, G., & Tello-Rodríguez, T. (2022). Perception about vaccines and level of knowledge, attitudes and practices towards COVID-19 in older adults in Lima, Peru. Revista Peruana De Medicina Experimental Y Salud Pública, 39(2), 201-7. https://doi.org/10.17843/rpmesp.2022.392.10847