Published on in Vol 21, No 9 (2019): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/15856, first published
.
![Fifteen Years’ Use of Patient-Reported Outcome Measures at the Group and Patient Levels: Trend Analysis Fifteen Years’ Use of Patient-Reported Outcome Measures at the Group and Patient Levels: Trend Analysis](https://asset.jmir.pub/assets/f91e6434bfe4271c489a1c97bec7c437.png 480w,https://asset.jmir.pub/assets/f91e6434bfe4271c489a1c97bec7c437.png 960w,https://asset.jmir.pub/assets/f91e6434bfe4271c489a1c97bec7c437.png 1920w,https://asset.jmir.pub/assets/f91e6434bfe4271c489a1c97bec7c437.png 2500w)
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