Changes in the serotypes of Hungarian pneumococci isolated mainly from invasive infections: A review of all available data between 1988 and 2011 / Adrienn Tóthpál [et al.] Bibliogr.: p. 432-433. - Abstr. eng. In: Acta Microbiologica et Immunologica Hungarica. - ISSN 1217-8950. - 2012. 59. évf. 3. sz., p. 423-433. : ill.