RT Journal Article SR Electronic T1 A post hoc analysis on the effects of a probiotic mixture on asthma exacerbation frequency in schoolchildren JF ERJ Open Research JO erjor FD European Respiratory Society SP 00020-2022 DO 10.1183/23120541.00020-2022 VO 8 IS 2 A1 Drago, Lorenzo A1 Cioffi, Luigi A1 Giuliano, Maria A1 Pane, Marco A1 Ciprandi, Giorgio A1 , YR 2022 UL http://openres.ersjournals.com/content/8/2/00020-2022.abstract AB