Figure 3.

Flowchart of cohort participants screened, enrolled and followed up between 1 July 2009 (the commencement of enrolment) and 31 August 2011. Brackets show the numbers by study site (Ho Chi Minh City; Dong Thap).

Anders et al. BMC Public Health 2013 13:937   doi:10.1186/1471-2458-13-937
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