They quantify the difference in samples here: HMP GG PGP AGP Total Samples 4,788 531 683 4,658 http://americangut.org/wp-content/up

They quantify the difference in samples here: HMP GG PGP AGP Total Samples 4,788 531 683 4,658 http://americangut.org/wp-content/uploads/2016/02/mod1_main.pdf http://americangut.org/wp-content/uploads/2016/02/mod1_main....