Potential Capsule Switching from Serogroup Y to B: The Characterization of Three such <i>Neisseria meningitidis</i> Isolates Causing Invasive Meningococcal Disease in CanadaRaymond S. W. Tsang, Wendell D. Zollinger, Dennis K. S. Law et al.|Canadian Journal of Infectious Diseases and Medical Microbiology|2005Cited by 25