In this paper the L3 stage because of an infection, and in a review paper No. Said about the use of different stages in the preparation of Pathology Ag.
This paper was selected because it is a long-term infection and L3 in the review paper did not mention about the parasite stages in the preparation of Ag.
In this paper chose to use the stage L3 because for infection, and in review paper not said about using the ailment, while another in the preparation. Ag.