27 octubre 2014
In an American national study of hospital emergency department visits for opioid overdoses, 67.8 percent of the overdoses involved prescription opioids (including methadone), followed by heroin, other unspecified opioids and multiple opioids, according to research.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BFk8U2w9PIQ/141027182807.htm
