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The RFLP for 18S rRNA gene using VspI digestion enzyme. The bands for C. hominis (lanes3-5, 7, 9 and 11) and C. parvum (lanes 2, 6 and 10). Lane 8 (Liv.57) has pattern expected for mixed infection of C. hominis and C. parvum. Line 1, 12 and 13 are molecular marker, positive (C. parvum) and negative controls, respectively
