Commensal microbiota modulate murine behaviors in a strictly contamination-free environment confirmed by culture-based methods. - Nishino, R.; Mikami, K.; Takahashi, H.; Tomonaga, S.; Furuse, M.; Hiramoto, T.; Aiba, Y.; Koga, Y.; Sudo, N. (Neurogastroenterology & Motility, 2013)