%0 Conference Proceedings %T Screening of bovine leukemia virus (BLV) infection in bulk tank milk of dairy cattle herds of Mashhad area of Iran %A Haghparast, Alireza %A Mohammadi, Gholam Reza %A Tabatabaei Zadeh, Elias %A -, - %J First International & 12th Iranian Congress of Micobiology %D 2011