@article{oai:obihiro.repo.nii.ac.jp:00001676, author = {Karim, M. J. and Begum, N. and Khan, M. S. R.}, issue = {2}, journal = {The journal of protozoology research}, month = {Apr}, note = {application/pdf}, pages = {56--61}, title = {Heterogeneity among Strains of Eimeria tenella Isolated from Bangladesh}, volume = {4}, year = {1994} }