Herd-level risk factors associated with the presence of Phage type 21/28 <it>E. coli </it>O157 on Scottish cattle farms

by Mellor Dominic J, Low Chris, Fenlon Dave, Allison Lesley, McKendrick Iain J, Pearce Michael C, Chase-Topping Margo E, Halliday Jo EB, Gunn George J, Woolhouse Mark EJ
Published 2006-12-01