Chung, P. R.; Jung, Y.; Park, Y. K. (2001). «Segmentina hemisphaerula: A New Molluscan Intermediate Host for Echinostoma cinetorchis in Korea». Journal of Parasitology87 (5): 1169-1171. PMID11695387. doi:10.1645/0022-3395(2001)087[1169:SHANMI]2.0.CO;2.
Chung, P. R.; Jung, Y.; Park, Y. K. (2001). «Segmentina hemisphaerula: A New Molluscan Intermediate Host for Echinostoma cinetorchis in Korea». Journal of Parasitology87 (5): 1169-1171. PMID11695387. doi:10.1645/0022-3395(2001)087[1169:SHANMI]2.0.CO;2.