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. 2014 Nov-Dec;25(6):305–310. doi: 10.1155/2014/452815

TABLE 1.

Alternative protocol descriptions

Protocol number O&P inclusion criteria Screened parasites
1 B None
2 B Giardia lamblia and Cryptosporidium
3 B G lamblia, Cryptosporidium and Dientamoeba fragilis
4 C None
5 C G lamblia and Cryptosporidium
6 C G lamblia, Cryptosporidium and D fragilis

O&P Ova and parasites. Definition B: Exposed = ‘Yes’; unexposed = ‘No’ and ‘Unknown’. Definition C: Exposed = ‘Yes’ and ‘Unknown’; unexposed = ‘No’