A Case-Control Study on the Risk Factors for Meningococcal Disease among Children in Greece
C. Hadjichristodoulou, George Mpalaouras, Vasiliki A Vasilopoulou, A. Katsioulis, G. Rachiotis, K. Theodoridou, Georgia Tzanakaki, V. Syriopoulou, M. Theodoridou
PLoS ONE