Histamine immunoreactive elements in the central and peripheral nervous systems of the Snail, Biomphalaria spp., intermediate host for Schistosoma mansoni

Mohamed R. Habib, Azza H. Mohamed, Gamalat Y. Osman, Ahmed T.Sharaf El-Din, Hanan S. Mossalem, Nadia Delgado, Grace Torres, Solymar Rolón-Martínez, Mark W. Miller, Roger P. Croll