@article{paperid:1022032, author = {Borji, Hassan and Raji, Ahmad Reza and Naghibi, Abolghasem}, title = {The comparative morphology of Marshallagia marshalli and ostertagia occidentalis(Nematoda,Strongylida,Trichostrongylidea) by scnning electron microscopy}, journal = {Parasitology Research}, year = {2011}, volume = {108}, number = {6}, month = {May}, issn = {0932-0113}, pages = {1391--1395}, numpages = {4}, keywords = {Marshallagia marshalli;Ostertagia occidentalis;SEM}, }