The effect of chorionic villus sampling on the number of fetal cells isolated from maternal blood and on maternal serum alpha-fetoprotein levelsMWJC Jansen, H Brandenburg, HIJ Wildschut, AM Hagenaars, et al.21/04/1998Tijdschriftartikel
The determination of chromium, copper and nickel in groundwater using axial plasma inductively coupled plasma atomic emission spectrometry and proportional correction matrix effect reductionJLM de Boer, W van Leeuwen, U Kohlmeyer, PM Breugem27/04/1998Tijdschriftartikel
Salmonella typhimurium aroA recombinants and immunestimulating complexes as vaccine candidates for feline immunodeficiency virusEJ Tijhaar, W Huisman, RC Huisman, FR Mooi, et al.27/04/1998Tijdschriftartikel
Resistance of staphylococci in the Netherlands: surveillance by an electronic network during 1989-1995AJ de Neeling, WJ van Leeuwen, LM Schouls, CS Schot, A van Veen-Rutgers, JDA van Embden06/04/1998Tijdschriftartikel
Potency of wild-type or sabin trivalent inactivated poliovirus vaccine, by enzyme-linked immunosorbent assay using monoclonal antibodies specific for each antigenic siteLA Sawyer, D Wood, M Ferguson, EC Beuvery, et al.27/04/1998Tijdschriftartikel
Potency grading in carcinogen classificationT Sanner, E Dybing, D Kroese, H Roelfzema, S Hardeng27/04/1998Tijdschriftartikel
Plasma superwarfarin levels and vitamin K1 treatment in dogs with anticoagulant rodenticide poisoningJH Robben, EAP Kuijpers, HCA Mout27/04/1998Tijdschriftartikel
Molecular typing of Enteroviruses: current status and future requirementsP Muir, U Kammerer, K Korn, MN Mulders, AM van Loon27/04/1998Tijdschriftartikel
Influenza vaccination in 22 developed countries: an update to 1995DS Fedson, Y Hirota, HK Shin, MJW Sprenger, et al.27/04/1998Tijdschriftartikel
Induction of DNA adducts and mutations in spleen, liver and lung of XPA-deficient/lacZ transgenic mice after oral treatment with benzo[a]pyrene: correlation with tumour developmentA de Vries, MET Dolle, JLM Broekhof, ED Kroese, CF van Kreijl, H van Steeg27/04/1998Tijdschriftartikel