Bañuelos Gimeno, J., A. Blanco, J. Díaz, C. Linares, J. A. López, M. A. Navas, G. Sánchez-Martínez, Y. Luna, B. Hervella, F. Belda, and D. Culqui. “Do Air Pollution and Meteorological Variables Have a Bearing on COVID-19 Mortality? Benchmarking of Time Series Between the First and Second Waves in Nine Spanish Provinces”. Spanish Journal of Environmental Health, vol. 22, no. 1, June 2022, pp. 100-12, https://ojs.diffundit.com/index.php/rsa/article/view/1142.