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. 2013 May 16;7(5):e2189. doi: 10.1371/journal.pntd.0002189

Figure 3. Procedure to obtain pools of 10, 20, and 60 individual stool samples.

Figure 3

Sixty individual samples were arranged in 6 rows with each row consisting of 10 individual samples, subsequently 6 pools of 10, 3 pools of 20, and 1 pool of 60 individual samples, resulting in total of 10 pooled samples per school.