An "alarming" number of US patients received a highly potent form of opioid that is 100 times more powerful than morphine and that they never should have been prescribed, according to a new study.
원문출처 : https://www.cnn.com/2019/02/19/health/fentanyl-study/index.html
원문출처 : https://www.cnn.com/2019/02/19/health/fentanyl-study/index.html