Release of inoculum by the eSwab and ATM systems. B. fragilis, Bacteroides fragilis; B. theta., Bacteroides thetaiotaomicron; B. wads., Bilophila wadsworthia; F. necroph., Fusobacterium necrophorum; F. nucl., Fusobacterium nucleatum; Por. asacch., Porphyromonas asaccharolytica; Por. ging., Porphyromonas gingivalis; Prev. buccae, Prevotella buccae; Prev. interm., Prevotella intermedia; Prev. mel., Prevotella melaninogenica; McF, McFarland standard.