J Med Internet Res
http://www.ncbi.nlm.nih.gov/pubmed/26063290
17(6):e144
https://connects.catalyst.harvard.edu/Profiles/profile/56047581
Associations Between Exposure to and Expression of Negative Opinions About Human Papillomavirus Vaccines on Social Media: An Observational Study.
J Med Internet Res
http://www.ncbi.nlm.nih.gov/pubmed/26063290
17(6):e144
https://connects.catalyst.harvard.edu/Profiles/profile/56047581