Bacterial communities on classroom surfaces vary with human contact
Microbiome (2014) - Comments
pubmed: 24602274  doi: 10.1186/2049-2618-2-7  issn: 2049-2618 

James F Meadow, Adam E Altrichter, Steven W Kembel, Maxwell Moriyama, Timothy K O'Connor, Ann M Womack, G Z Brown, Jessica L Green, Brendan J M Bohannan