Construction of Opa-positive and Opa-negative strains of Neisseria meningitidis to evaluate a novel meningococcal vaccine (PLoS ONE, 2012)

(untitled) - Sadarangani, M; Hoe, J; Callaghan, M; Jones, C; Chan, H; Makepeace, K; Daniels-Treffandier, H; Deadman, M; Bayliss, C; Feavers, I; Van Der Ley, P; Pollard, A