Ivermectin-facilitated immunity in onchocerciasis: activation of parasite-specific th1 type responses with subclinical Onchocerca volvulus infectionP.T. Soboslay, C.G.K. Lüder, W.H. Hoffmann, I. Michaelis, C.M. Dreweck, S. Pritze, H. Wolf, M. Banla and H. Schulz-KeyParasite, 1 1S (1994) S15DOI: https://doi.org/10.1051/parasite/199401s1015