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. 2010 May 28;10:140. doi: 10.1186/1471-2334-10-140

Figure 1.

Figure 1

Study recruitment and flow chart. PTB patients: 11 were excluded because betaglobin PCR was negative (7 HIV positive, 4 HIV negative) and 1 because HIV status was missing. Controls: 3 were excluded because betaglobin PCR was negative (1 household contact and 2 neighbourhood controls).