Published on in Vol 9, No 1 (2021): Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/25052, first published
.
![Validation of a Portable Game Controller to Assess Peak Expiratory Flow Against Conventional Spirometry in Children: Cross-sectional Study Validation of a Portable Game Controller to Assess Peak Expiratory Flow Against Conventional Spirometry in Children: Cross-sectional Study](https://asset.jmir.pub/assets/4e8659d061e264e1ec337fefc413b4a3.png 480w,https://asset.jmir.pub/assets/4e8659d061e264e1ec337fefc413b4a3.png 960w,https://asset.jmir.pub/assets/4e8659d061e264e1ec337fefc413b4a3.png 1920w,https://asset.jmir.pub/assets/4e8659d061e264e1ec337fefc413b4a3.png 2500w)
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