Purdue Pharma used deceptive sales tactic for OxyContin after settlement, ex-sales rep says CBS News, June 21, 2018
"Big charade": Whistleblower says Purdue used deceptive sales tactic for opioid CBS News, June 21, 2018
Whistleblower: Purdue Pharma continued deceptive sales practices for OxyContin after 2007 CBS News, June 20, 2018