M. Harkin

A 1-year study of Escherichia coli O157 in cattle, sheep, pigs and poultry

C. Siddons, P. Chapman, A. T. Gerdan Malo, 1997, Epidemiology and Infection.

A one year study of Escherichia coli O157 in raw beef and lamb products

C. Siddons, P. Chapman, M. Harkin, 2000, Epidemiology and Infection.

Sheep as a potential source of verocytotoxin-producing Escherichia coli O157.

C. Siddons, P. Chapman, M. Harkin, 1996, The Veterinary record.

Lamb products as a potential source of E coli O157.

C. Siddons, P. Chapman, M. Harkin, 1996, The Veterinary record.

Use of commercial enzyme immunoassays and immunomagnetic separation systems for detecting Escherichia coli O157 in bovine fecal samples

C. Siddons, P A Chapman, C A Siddons, 1997, Applied and environmental microbiology.

Escherichia coli O157 in cattle and sheep at slaughter, on beef and lamb carcasses and in raw beef and lamb products in South Yorkshire, UK.

P. Chapman, M. Harkin, M. Ellin, 2001, International journal of food microbiology.