Evolutionary origin of the staphylococcal cassette chromosome mec (SCCmec). by Rolo, J, Worning, P, Nielsen, J, Bowden, R, Bouchami, O, Damborg, P, Guardabassi, L, Perreten, V, Tomasz, A, Westh, H, de Lencastre, H, Miragaia, M

Evidence for the evolutionary steps leading to mecA-mediated β-lactam resistance in staphylococci by Rolo, J, Worning, P, Boye Nielsen, J, Sobral, R, Bowden, R, Bouchami, O, Damborg, P, Guardabassi, L, Perreten, V, Westh, H, Tomasz, A, de Lencastre, H, Miragaia, M