Temporal variability is a personalized feature of the human microbiome.
Flores GE, Caporaso JG, Henley JB, Rideout JR, Domogala D, Chase J, Leff JW, V?zquez-Baeza Y, Gonzalez A, Knight R, Dunn RR, Fierer N. Temporal variability is a personalized feature of the human microbiome. Genome Biol. 2014 Dec 03; 15(12):531.