24 febrero 2015
A large-scale population study of 200,000 people puts tobacco death toll as high as two in every three smokers, scientists report. The research is the first evidence from a broad cross-section of the population to show the smoking-related death toll is as high as two thirds.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ewf52RRd3Cc/150224083704.htm
