Release of bacteria in absolute numbers (volume-unrestricted setting).

<p>Viable counts of bacterial suspension after release by 5 different swab types were determined by serial dilutions and plate counting as described in the methods section. CFU = colony forming units. Results from statistical analysis are shown in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0102215#pone.0102215.s002" target="_blank">table S2</a>.