Human cystic echinococcosis in a Uruguayan community: a sonographic, serologic, and epidemiologic study. Cohen H, Paolillo E, Bonifacino R, Botta B, Parada L, Cabrera P, Snowden K, Gasser R, Tessier R, Dibarboure L, Wen H, Allan JC, Soto de Alfaro H, Rogan MT, Craig PS The American journal of tropical medicine and hygiene
