Prevalence of antibodies against Rubella virus in the Netherlands 9 years after changing from selective to mass vaccinationR Haas, S Hof, GAM Berbers, HE Melker, MAE Conyn-van Spaendonck20/01/2000Journal Article
Diphteria antitoxin levels in the Netherlands: a population-based studyHE Melker, GAM Berbers, NJD Nagelkerke, MAE Conyn-van Spaendonck20/01/2000Journal Article
Radioactiviteit in door Greenpeace aangevoerd afvalwater van COGEMAHAJM Reinen, PJM Kwakman, RMW Overwater, RB Tax, LA Nissan31-01-2000Journal Article
Preliminary results of the collaborative study on the Pertussis Serological Potency Test (PSPT)A Ark, I Straaten-van de Kapelle, C Hendriksen31/01/2000Journal Article
Improved mouse weight gain test with leukocyte counting: a more sensitive animal model for endotoxin and pertussis toxin in pertussis whole cell vaccinesI Straaten-van de Kapelle, AAJ Ark, JHL Westendorp, JF Visser, CFM Hendriksen31/01/2000Journal Article
Validation of test methods in the quality control of biologicalsCFM Hendriksen31/01/2000Journal Article
Developments in the reduction refinement and replacement of animal tests in the quality control of immunobiologicalsJG Kreeftenberg31/01/2000Journal Article