An eight-month study of a population of verocytotoxigenic Escherichia coli (VTEC) in a Scottish cattle herd - Jenkins, C; Pearce, MC; Chart, H; Cheasty, T; Willshaw, GA; Gunn, GJ; Dougan, G; Smith, HR; Synge, BA; Frankel, G (JOURNAL OF APPLIED MICROBIOLOGY, 2002)