1. Adverse effects of pertussis and rubella vaccines;Howson,1991
2. Adverse events associated with childhood vaccines - evidence bearing on causality;Stratton,1994
3. Cluster of childhood Guillain-Barre cases after an oral poliovaccine campaign;Uhari;Lancet,1989
4. Incidence of Guillain Barré syndrome during a nationwide oral poliovirus vaccine campaign;Kinnunen;Neurology,1989
5. Vaccines and Guillain-Barré syndrome;Hughes;BMJ,1996