Evaluatie van het Rijksvaccinatieprogramma: immuniteit van de Nederlandse bevolking tegen difterie, tetanus en poliomyelitis
Seroepidemiology of diphtheria, tetanus, poliomyelitis and pertussis. Evaluation of the National Immunisation Programme in the Netherlands
Lessons from diagnostic investigations of patients with poliomyelitis and their direct contacts for the present surveillance of acute flaccid paralysis