Gratten, M.; Carlisle, J.; Hanna, jeffrey; Bapty, G.; George, N.; Nuttall, N.; Nimmo, G.; Schooneveldt, J.; Kelly, R.; Alfredson, D. Seroepidemiology of Invasive Pneumococcal Disease in Queensland, 1990 to 1997. Commun Dis Intell (2018) 1998, 22, 265-269.