%0 Journal Article %K Health Informatics %K Public health %K Social media %K Knowledge mapping %B Journal of Medical Internet Research %D 2020 %G eng %I JMIR Publications Inc. %N 8 %P e17582 %R 10.2196/17582 %T When Public Health Research Meets Social Media: Knowledge Mapping From 2000 to 2018 %U https://www.jmir.org/2020/8/e17582/pdf %V 22