Figure 2
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1756-0500-4-60/MediaObjects/13104_2010_Article_814_Fig2_HTML.jpg)
Salmonella RNA yield from two different recovery buffer s. By the: (a) bead beater method [different letters indicate significant difference (p value 0.03).] and (b) sonication method [different letters indicate significant difference (p value 0.0005)].