Schistosoma mansoni circulating polysaccharide and protein antigens recognized by sheep antisera in patients with different clinical forms of schistosomiasis before and after treatment - Costa-Cruz, J M; Hoshino-Shimizu, Sumie; Ferreira, Antônio Walter; Camargo, Mario Endsfeldz; Brito, T; Silva, L. C. (Revista do Instituto de Medicina Tropical de Sao Paulo, 1994)