http://www.nature.com/news/2011/1104....2011.249.html three "types" of the bacterial mix in our guts Nature une équipe Nature revista Nature Gut study divides people into three types “Gut study divides people into three types.” a commentary Nature posted on that article опубликовали Gut study divides people into three types Gut study divides people into three types Nature News – Gut study divides people into three types Gut study divides people into three types Nature News