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Parasites percentage quantified by traditionally Ritchie's method and Ritchie's method modified by Régis Anécimo.
| Ritchie's method (%) | Ritchie's method modified by Régis Anécimo (%) | |
|---|---|---|
| Entamoeba coli | 36 | 28 |
| Giardia lamblia | 20 | 24 |
| Strongyloides stercoralis | 16 | 20 |
| Taenia spp. | 12 | 12 |
| Ascaris lumbricoides | 10 | 11 |
| Enterobius vermicularis | 4 | 4 |
| Schistosoma mansoni | 4 | 4 |
