Ceyhan M, Yildirim I, Balmer P, Borrow R, Secmeer G, Dikici B, Turgut M, Kurt N, Aydogan A, Ecevit C, Anlar Y, Gulumser O, Tanir G, Salman N, Gurler N, Aydin N, Hacimustafaoglu M, Celebi S, Coskun Y, Alhan E, Celik U, Camcioglu Y. P1215 Endemic serogroup W135 meningococcal meningitis possibly originated from 2000 and 2001 Hajj epidemics: a prospective study for the aetiology of childhood acute bacterial meningitis in Turkey. International Journal Of Antimicrobial Agents 2007, 29: s333. DOI: 10.1016/s0924-8579(07)71055-5.Peer-Reviewed Original Research