Espírito Santo, M., Azeredo, L., Teles, H., Gryschek, R., Ferreira, C., & Amato Neto, V. (2008). Abdominal ultrasound in the evaluation of fibrosis and portal hypertension in an area of schistosomiasis low endemicity . Revista Do Instituto De Medicina Tropical De São Paulo, 50(2), 117-119. Retrieved from http://www.revistas.usp.br/rimtsp/article/view/31163