Hickey, G. L., Diggle, P. J., McNeilly, T. N., Tongue, S. C., Chase-Topping, M. E., & Williams, D. J. (2015). The feasibility of testing whether Fasciola hepatica is associated with increased risk of verocytotoxin producing Escherichia coli O157 from an existing study protocol. Elsevier Scientific Publishing.

Hickey, Graeme L., Peter J. Diggle, Tom N. McNeilly, Sue C. Tongue, Margo E. Chase-Topping, and Diana J.L Williams. The Feasibility of Testing Whether Fasciola Hepatica Is Associated With Increased Risk of Verocytotoxin Producing Escherichia Coli O157 From an Existing Study Protocol. Elsevier Scientific Publishing, 2015.

Hickey, Graeme L., et al. The Feasibility of Testing Whether Fasciola Hepatica Is Associated With Increased Risk of Verocytotoxin Producing Escherichia Coli O157 From an Existing Study Protocol. Elsevier Scientific Publishing, 2015.