. 2020 Feb 10;55(5):1104–1110. doi: 10.1002/ppul.24676
© 2020 The Authors. Pediatric Pulmonology published by Wiley Periodicals, Inc.
This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Figure 2.
Asthma medication usage by age. *P < .0001 vs control group