https://www.publichealth.columbia.edu/news/text-messaging-reminders-increase-second-dose-influenza-vaccinations
Text Messaging Reminders Increase Second Dose Influenza Vaccinations | Columbia University Mailman...
Oct 27, 2015 - Researchers at the Mailman School of Public Health and Columbia University Medical Center studied the impact of text message reminders for the second dose of...
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