Published on in Vol 8, No 5 (2020): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17371, first published
.
![Use of Apps to Promote Childhood Vaccination: Systematic Review Use of Apps to Promote Childhood Vaccination: Systematic Review](https://asset.jmir.pub/assets/a715f06d74b6df7f46e09c3924d07202.png 480w,https://asset.jmir.pub/assets/a715f06d74b6df7f46e09c3924d07202.png 960w,https://asset.jmir.pub/assets/a715f06d74b6df7f46e09c3924d07202.png 1920w,https://asset.jmir.pub/assets/a715f06d74b6df7f46e09c3924d07202.png 2500w)
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