In higher doses, over longer periods, painkillers for chronic pain raise overdose risk

Media coverage

• Title	In higher doses, over longer periods, painkillers for chronic pain raise overdose risk
  Media name/outlet	EurekAlert!
  Country	United States
  Date	2/18/15
  Persons	Yuanyuan Liang

• Title	In higher doses, over longer periods, painkillers for chronic pain raise overdose risk
  Media name/outlet	Science Daily
  Country	United States
  Date	2/18/15
  Persons	Yuanyuan Liang

• Title	In higher doses, over longer periods, painkillers for chronic pain raise overdose risk
  Media name/outlet	Medical Xpress
  Country	United States
  Date	2/18/15
  Persons	Yuanyuan Liang