Geographic variations in electronic cigarette advertisements on Twitter in the United States
Crossref DOI link: https://doi.org/10.1007/s00038-016-0906-9
Published Online: 2016-10-14
Published Print: 2017-05
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Dai, Hongying
Deem, Michael J.
Hao, Jianqiang
License valid from 2016-10-14