1.Riley, LW, Remis, RS, Helgerson, SD et al. , Hemorrhagic colitis associated with a rare Escherichia coli serotype. N Engl J Med 1983; 308: 681–5.
2.Neild, G. The haemolytic uraemic syndrome: a review. Q J Med 1987; 63: 367–76.
3.Ryan, CA, Tauxe, RV, Hosek, GW et al. , Escherichia coli O 157. H7 diarrhea in a nursing home: clinical, epidemiological, and pathological findings. J Infect Dis 1986; 154: 631–8.
4.Duncan, L, Mai, V, Carter, A, Carlson, Jak, Borczyk, A, Karmali, MA. Outbreak of gastrointestinal disease – Ontario. Can Dis Weekly Rep 1987; 13: 5–8.
5.Martin, ML, Shipman, LD, Wells, JG et al. , Isolation of Escherichia coli O 157. H7 from dairy cattle associated, with two cases of haemolytic uramic syndrome. Lancet 1986; ii: 1043.
6.Doyle, MP, Schoeni, JL. Isolation of Escherichia coli O 157. H7 from retail fresh meats and poultry. Appl Environ Microbiol 1987; 53: 2394–6.
7.Sekla, L, Milley, D, Stackiw, W, Sisler, J, Drew, J, Sargent, D. Verotoxin-producing Escherichia coli in ground beef – Manitoba. Can Dis Weekly Rep 1990; 16: 103–5.
8.Read, SC, Gyles, CL, Clarke, RC, Lior, H, McEwen, S. Prevalence of verocytotoxigenie Escherichia coli in ground beef, pork, and chicken in southwestern Ontario. Epidemiol Infect 1990; 105: 11–20.
9.Clarke, RC, McEwen, SA, Gannon, VP, Lior, H, Gyles, CL. Isolation of Verocytotoxin-producing Escherichia coli from milk filters in south-western Ontario. Epidemiol Infect 1989; 102: 253–60.
10.Karmali, MA. Infection by Verocytotoxin-producing Escherichia coli. Clin Microbiol Rev 1989; 2: 15–38.
11.Borezyk, AA, Karmali, MA, Lior, H, Duncan, LMC. Bovine reservoir for verotoxin-producing Escherichia coli O 157. H7. Lancet 1987; i: 98.
12.Martin, SW, Meek, AH, Willeberg, P. Sampling methods. In: Veterinary epidemiology. Ames: Iowa State University Press. 1987: 22–47.
13.Chapman, PA, Wright, DJ, Norman, P. Verotoxin-producing Escherichia coli infections in Sheffield: cattle as a possible source. Epidemiol Infect 1989; 102: 439–45.
14.Wells, JG, Shipman, LD, Greene, KD. Isolation of Escherichia coli O 157. H7 and other Shiga-like/Vero toxin-producing E. coli from dairy cattle. Abstr Int Symp Workshop Verocytotoxin-Producing Escherichia coli Infections. 1987.
15.Montenegro, MA, Bulte, M, Trumpf, T, Aleksic, S. Detection and characterization of fecal verotoxin-producing Escherichia coli from healthy cattle. J Clin Microbiol 1990; 28: 1417–21.
16.Suthienkul, O, Brown, JE, Seriwatana, J, Tienthongdee, S, Sastravaha, S, Echeverria, P. Shiga-like-toxin-producing Escherichia coli in retail meats and cattle in Thailand. Appl Environ Microbiol 1990; 56: 1135–9.
17.Wells, JG, Shipman, LD, Greene, KD et al. , Isolation of Escherichia coli serotype O 157. H7 and other Shiga — like toxin-producing E. coli from dairy cattle. J Clin Microbiol 1991; 29: 985–9.
18.Clarke, R, McEwen, S, Harnett, N, Lior, H, Gyles, CL. The prevalence of verotoxin-producing Escherichia coli (VTEC) in bovines at slaughter. Abstr Annu Meet Am Soc Microbiol. 1988.
19.Scotland, SM, Rowe, B, Smith, HR, Willshaw, GA, Gross, RJ. Vero cytotoxin-producing strains of Escherichia coli from children with haemolytic uraemic syndrome and their detection by specific DNA probes. J Med Microbiol 1988; 25: 237–43.
20.MacLeod, DL, Gyles, CL. Purification and characterization of an Escherichia coli Shiga-like toxin-II variant. Infect Immun 1990; 58: 1232–9.
21.Gannon, VP, Gyles, CL. Characterization of the Shiga-like toxin produced by Escherichia coli associated with porcine edema disease. Vet Microbiol 1990; 24: 89–100.
22.Snedecor, GW, Cochran, WG. Statistical methods. Ames: Iowa State University Press. 1980.
23.Mohammad, A, Peiris, JSM, Wijewanta, EA. Serotypes of verocytotoxigenic Escherichia coli isolated from cattle and buffalo calf diarrhoea. FEMS Microbiol Lett 1986; 35: 261–5.
24.Waltner-Toews, D, Martin, SW, Meek, AH, McMillan, I. Dairy calf management, morbidity and mortality in Ontario Holstein herds. I. The data. Prev Vet Med. 1986; 4: 103–24.
25.Meek, AH, Martin, SW, Stone, JB, McMillan, I, Britney, JB, Grieve, DG. The relationship among current management systems, production, disease and drug usage on Ontario dairy farms. Can J Vet Res. 1986; 50: 7–14.
26.Marques, LRM, Moore, MA, Wells, JG, Wachsmuth, K, O'brien, AD. Production of Shiga-like toxin by Escherichia coli. J Infect Dis 1986; 154: 338–41.
27.Downes, FP, Greene, JH, Greene, K, Strockbine, N, Wells, JG, Wachsmuth, IK. Development and evaluation of enzyme-linked immunosorbent assays for detection of shiga-like toxin I and shiga-like toxin II. J Clin Microbiol 1989; 27: 1292–7.