Kohl Katrin S, Ball Leslie, Gidudu Jane, Hammer Sandra Jo, Halperin Scott, Heath Paul, Hennig Renald, Labadie Jerry, Rothstein Edward, Schuind Anne, Varricchio Frederick, Walop Wikke
Centers for Disease Control and Prevention, Atlanta, GA, USA.
Vaccine. 2007 Aug 1;25(31):5821-38. doi: 10.1016/j.vaccine.2007.04.057. Epub 2007 May 11.