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. 1999 Nov;37(11):3693–3697. doi: 10.1128/jcm.37.11.3693-3697.1999

TABLE 3.

Analytical sensitivity of MPB64-ICAa

No. of mycobacteria
(log CFU/ml)
MPB64-ICA result
7 +++
6 ++
5 +
4 ±
3
2
a

Tenfold dilutions of M. bovis BCG grown in Middlebrook 7H9 liquid medium were made in 10 mM phosphate buffer–0.1% Tween 80 and vortexed, and then 100 μl of each dilution was assayed by MPB64-ICA.