Technology and InnovationDigital surveillance of prescription drug abuse: An accessible methodology for collecting and analyzing twitter NUPM dataAuthorsTakeo KatsukiTim K. MackeyRaphael E. CuomoYear: 2016Volume: 82 Issue: 3Page/Article: 590DOI: 10.1016/j.aogh.2016.04.551Published on Aug 20, 2016Peer ReviewedCC BY 4.0