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. 2012 Jul;50(7):2272–2276. doi: 10.1128/JCM.01012-12

Fig 3.

Fig 3

Comparison of cycle threshold values of the GeneXpert MTB/RIF assay on gastric aspirates floated with sucrose and NaCl. Pooled gastric aspirates were treated with the indicated concentrations of sucrose (A) or NaCl (B). Bacilli were floated by centrifugation. Symbols represent unique pooled samples. Closed symbols represent the top volume, while open symbols represent the middle volume.