Hamilton, A, Robinson, C, Sutcliffe, I C, Slater, J D, Maskell, D J, Davis-Poynter, N J, Smith, K, Waller, A, Harrington, D J, "Mutation of the maturase lipoprotein attenuates the virulence of Streptococcus equi to a greater extent than does loss of general lipoprotein lipidation", Infection and Immunity,