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pSAg-specific IgE and IgG response in patients with different nematode infections. ←, control cut-off value for IgG; →, control cut-off value for IgE. Dark gray bars, specific IgE response; light gray bars, specific IgG response. A, A. lumbricoides; H, hookworm; T, T. trichura; S, S. stercoralis; C, control. Abs., absorbance.
