AUTHOR=Bush Andrew , Cutrera Renato , Piacentini Giorgio , Santamaria Francesca , Ullmann Nicola 

TITLE=Editorial: Difficult and Severe Asthma in Children

JOURNAL=Frontiers in Pediatrics

VOLUME=7

YEAR=2019

URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2019.00205

DOI=10.3389/fped.2019.00205

ISSN=2296-2360