PT - JOURNAL ARTICLE AU - Isabella Annesi-Maesano AU - Francesco Forastiere TI - Doubts about the adverse effects of air pollution on asthma? AID - 10.1183/13993003.01900-2019 DP - 2019 Oct 01 TA - European Respiratory Journal PG - 1901900 VI - 54 IP - 4 4099 - http://erj.ersjournals.com/content/54/4/1901900.short 4100 - http://erj.ersjournals.com/content/54/4/1901900.full SO - Eur Respir J2019 Oct 01; 54