Humans and their pet dogs: Shared cancers, shared hope — ScienceDaily
source : http://www.sciencedaily.com/releases/2014/05/140508095209.htm
source : http://www.sciencedaily.com/releases/2014/05/140508095209.htm
source : http://www.foxnews.com/health/2013/07/01/tobacco-taxes-smoking-bans-set-to-save-millions-lives-study-says/