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Sensitivity of direct versus concentrated sputum smear microscopy in HIV-infected patients suspected of having pulmonary tuberculosis
This article has 44 references. The reference "Pai M, O'Brien R: Tuberculosis diagnostics trials: do they lack methodological rigor? Expert Rev Mol Diagn 2006, 6:509-514." is however numbered thrice as number 21, 36, and 41.
Multiple same references in bibilography
12 May 2010
This article has 44 references.
The reference "Pai M, O'Brien R: Tuberculosis diagnostics trials: do they lack
methodological rigor? Expert Rev Mol Diagn 2006, 6:509-514." is however numbered thrice as number 21, 36, and 41.
Probably calling for more editorial attention !!
Competing interests
None declared