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Global Reach of Direct-to-Consumer Advertising Using Social Media for Illicit Online Drug Sales

Tim Ken Mackey, Bryan A Liang

J Med Internet Res 2013;15(5):e105

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Establishing a Link Between Prescription Drug Abuse and Illicit Online Pharmacies: Analysis of Twitter Data

Takeo Katsuki, Tim Ken Mackey, Raphael Cuomo

J Med Internet Res 2015;17(12):e280

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Examining the Potential of Blockchain Technology to Meet the Needs of 21st-Century Japanese Health Care: Viewpoint on Use Cases and Policy

Tim Mackey, Hirofumi Bekki, Tokio Matsuzaki, Hiroshi Mizushima

J Med Internet Res 2020;22(1):e13649

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Combating Health Care Fraud and Abuse: Conceptualization and Prototyping Study of a Blockchain Antifraud Framework

Tim Ken Mackey, Ken Miyachi, Danny Fung, Samson Qian, James Short

J Med Internet Res 2020;22(9):e18623

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Online Availability and Safety of Drugs in Shortage: A Descriptive Study of Internet Vendor Characteristics

Bryan A Liang, Tim K Mackey

J Med Internet Res 2012;14(1):e27

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Digital Social Media, Youth, and Nonmedical Use of Prescription Drugs: The Need for Reform

Tim K Mackey, Bryan A Liang, Steffanie A Strathdee

J Med Internet Res 2013;15(7):e143

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Health Domains for Sale: The Need for Global Health Internet Governance

Tim Ken Mackey, Bryan A Liang, Jillian C Kohler, Amir Attaran

J Med Internet Res 2014;16(3):e62

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Data Mining and Content Analysis of the Chinese Social Media Platform Weibo During the Early COVID-19 Outbreak: Retrospective Observational Infoveillance Study

Jiawei Li, Qing Xu, Raphael Cuomo, Vidya Purushothaman, Tim Mackey

JMIR Public Health Surveill 2020;6(2):e18700

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Big Data, Natural Language Processing, and Deep Learning to Detect and Characterize Illicit COVID-19 Product Sales: Infoveillance Study on Twitter and Instagram

Tim Ken Mackey, Jiawei Li, Vidya Purushothaman, Matthew Nali, Neal Shah, Cortni Bardier, Mingxiang Cai, Bryan Liang

JMIR Public Health Surveill 2020;6(3):e20794

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A Machine Learning Approach for the Detection and Characterization of Illicit Drug Dealers on Instagram: Model Evaluation Study

Jiawei Li, Qing Xu, Neal Shah, Tim K Mackey

J Med Internet Res 2019;21(6):e13803

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