Changes in IgE- and Antigen-dependent histamine-release in peripheral blood of <it>Schistosoma mansoni</it>-infected Ugandan fishermen after treatment with praziquantel oleh Kazibwe Francis, Curtis Kariuki H, Reimert Claus, Hoffmann Karl F, Fitzsimmons Colin, Jones Frances M, Joseph Sarah, Skov Per S, Cahen Pierre, Satti Mohamed Z, Mwatha Joseph K, Kimani Gachuhi, Vennervald Birgitte J, Ouma John H, Kabatereine Narcis B, Dunne David W