Manvell R J, Londt B Z, Ceeraz V, Cox W J, Essen S, Banks J, Slomka M J, Pavlidis T, Irvine R M, Wilesmith J W, Sharpe C E, Hurst A, Alexander D J, Brown I H
Virology Department, VLA-Weybridge, Addlestone, Surrey KT15 3NB.
Vet Rec. 2008 Mar 1;162(9):278-80. doi: 10.1136/vr.162.9.278.