Published on in Vol 6, No 12 (2022): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/36755, first published
.
![Sample Bias in Web-Based Patient-Generated Health Data of Dutch Patients With Gastrointestinal Stromal Tumor: Survey Study Sample Bias in Web-Based Patient-Generated Health Data of Dutch Patients With Gastrointestinal Stromal Tumor: Survey Study](https://asset.jmir.pub/assets/3fd17b6fe3b11fd1513f5228aa61a2ad.png 480w,https://asset.jmir.pub/assets/3fd17b6fe3b11fd1513f5228aa61a2ad.png 960w,https://asset.jmir.pub/assets/3fd17b6fe3b11fd1513f5228aa61a2ad.png 1920w,https://asset.jmir.pub/assets/3fd17b6fe3b11fd1513f5228aa61a2ad.png 2500w)
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