24 julio 2015
A new study shoes that under certain conditions, research participants who know a treatment they are receiving to ease pain is a placebo with no medical value, it still works.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/cDXtB6Tx538″ height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/cDXtB6Tx538/150724135629.htm
