PT - JOURNAL ARTICLE AU - Lorenzo Drago AU - Luigi Cioffi AU - Maria Giuliano AU - Marco Pane AU - Giorgio Ciprandi AU - the PROPAM Study Group TI - A <em>post hoc</em> analysis on the effects of a probiotic mixture on asthma exacerbation frequency in schoolchildren AID - 10.1183/23120541.00020-2022 DP - 2022 Apr 01 TA - ERJ Open Research PG - 00020-2022 VI - 8 IP - 2 4099 - http://openres.ersjournals.com/content/8/2/00020-2022.short 4100 - http://openres.ersjournals.com/content/8/2/00020-2022.full SO - erjor2022 Apr 01; 8