Kohl Katrin S, Walop Wikke, Gidudu Jane, Ball Leslie, Halperin Scott, Hammer Sandra Jo, Heath Paul, Varricchio Frederick, Rothstein Edward, Schuind Anne, Hennig Renald
Centers for Disease Control and Prevention, Atlanta, GA, USA.
Vaccine. 2007 Aug 1;25(31):5858-74. doi: 10.1016/j.vaccine.2007.04.056. Epub 2007 May 11.