Kohl Katrin S, Walop Wikke, Gidudu Jane, Ball Leslie, Halperin Scott, Hammer Sandra Jo, Heath Paul, Hennig Renald, Rothstein Edward, Schuind Anne, Varricchio Frederick
Centers for Disease Control and Prevention, Atlanta, GA, USA.
Vaccine. 2007 Aug 1;25(31):5839-57. doi: 10.1016/j.vaccine.2007.04.062. Epub 2007 May 8.