1. A human gut microbial gene catalogue established by metagenomic sequencing.
Qin J et al.
Nature. 2010 Mar 4;464(7285):59-65.
 
2. Quantitative assessment of the human gut microbiome using multitag pyrosequencing.
P. Gillevet et al.
Chemistry & biodiversity, vol. 7(5), May 2010, pp. 1065-75
 
3. Sampling and pyrosequencing methods for characterizing bacterial communities in the human gut using 16S sequence tags.
G.D. Wu et al.
BMC microbiology, vol. 10, 2010, pp. 206.
 
4. Enterotypes of the human gut microbiome.
M. Arumugam et al.
Nature, vol. 473(7346), May 12 2011, pp. 174-80
 
5. Comparative analysis of Korean human gut microbiota by barcoded pyrosequencing.
Nam Y.D. et al.
PLoS One. 2011;6(7):e22109. Epub 2011 Jul 29.
 
6. Linking long-term dietary patterns with gut microbial enterotypes.
Wu G.D. et al.
Science. 2011 Oct 7;334(6052):105-108
 
7. Human gut microbiome viewed across age and geography. 
Yatsunenko T. et al. 
Nature. 2012 May 9;486(7402):222-7. doi: 10.1038/nature11053.
 
8. Structure, function and diversity of the healthy human microbiome.
The Human Microbiome Project Consortium.
Nature 486, 207–214 (14 June 2012) doi:10.1038/nature11234