FIG. 1.

Description of the different bands detected by EITB. Lanes 1 to 4, strips obtained with sera from two patients with hydatid cysts treated with surgery 2 years (lanes 1 and 2) and 5 years (lanes 3 and 4) before and without symptoms. Lanes 5 to 8, strips obtained with sera from two patients with hydatid cyst relapse 3 years (lanes 5 and 6) and 4 years (lanes 7 and 8) after surgery. Lanes 1, 3, 5, and 7, strips with reduced antigens; lanes 2, 4, 6, and 8, strips with unreduced antigens. R, molecular masses for reduced antigens; UR, molecular masses for unreduced antigens.