Ishii A, Tsuji M, Tada I (December 2003). «History of Katayama disease: schistosomiasis japonica in Katayama district, Hiroshima, Japan». Parasitology International52 (4): 313-9. PMID14665388. doi:10.1016/S1383-5769(03)00046-1.
Ishii A, Tsuji M, Tada I (December 2003). «History of Katayama disease: schistosomiasis japonica in Katayama district, Hiroshima, Japan». Parasitology International52 (4): 313-9. PMID14665388. doi:10.1016/S1383-5769(03)00046-1.