https://api.elsevier.com/content/article/pii/S0269749120361595doi:10.1016/j.envpol.2020.1154711-s2.0-S026974912036159510.1016/j.envpol.2020.115471S0269-7491(20)36159-5Machine learning reveals that prolonged exposure to air pollution is associated with SARS-CoV-2 mortality and infectivity in Italy Environmental PollutionJournal026974912020-12-31December 20200falsefalse