Published on in Vol 7, No 4 (2019): April
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12825, first published
.
![Use of the Smartphone App WhatsApp as an E-Learning Method for Medical Residents: Multicenter Controlled Randomized Trial Use of the Smartphone App WhatsApp as an E-Learning Method for Medical Residents: Multicenter Controlled Randomized Trial](https://asset.jmir.pub/assets/ad24f9ca55fe31ee6c7cceee71657891.png 480w,https://asset.jmir.pub/assets/ad24f9ca55fe31ee6c7cceee71657891.png 960w,https://asset.jmir.pub/assets/ad24f9ca55fe31ee6c7cceee71657891.png 1920w,https://asset.jmir.pub/assets/ad24f9ca55fe31ee6c7cceee71657891.png 2500w)
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