Identification of inorganic, methylated and hydride-refractory arsenic species in estuarine waters. Advances by electrospray, ES-MS, pyrolysis-GC-MS and HPLC-ICP/MSMH Florencio, MF Duarte, S Facchetti, HA van 't Klooster, R Ritsema, et al.21/04/1998Tijdschriftartikel
Hepatitis A explosie in Rotterdam: voornamelijk homomannenA Bosman, R Reintjes06/04/1998Tijdschriftartikel
Health effects of the Chernobyl disaster: illness of illness behavior? A comparative general health survey in two former Soviet regionsJ Havenaar, G Rumyantzeva, A Kasyanenko, J Savelkoul27/04/1998Tijdschriftartikel
Genes coding for enterotoxins and verotoxins in porcine Escherichia coli strains belonging to different O:K:H serotypes: relationship with toxic phenotypesM Blanco, JE Blanco, EA Gonzalez, W Jansen, et al.27/04/1998Tijdschriftartikel
Frequentie van postoperatieve wondinfecties in NederlandAJ Mintjes-de Groot, JMJ van den Berg, MLV Veerman-Brenzikofer, AS de Boer, AOA Smook06/04/1998Tijdschriftartikel
First lidar observations of mesospheric hydroxylEJ Brinksma, YJ Meijer, IS McDermid, J Bergwerff, DPJ Swart, et al.27/04/1998Tijdschriftartikel
Exposure to dust and its particle size distribution in California agricultureMJ Nieuwenhuijsen, H Kruize, MB Schenker27/04/1998Tijdschriftartikel
Environmental risk assessment of musk ketone and musk xylene in the Netherlands in accordance with the EU-TGDJW Tas, F Balk, RA Ford, EJ van de Plassche27/04/1998Tijdschriftartikel
Effect of nationwide vaccination of 3-month-old infants in the Netherlands with conjugate Haemophilus influenzae type b vaccine: high efficacy and lack of herd immunityL van Alphen, L Spanjaard, A van der Ende, I Schuurman, J Dankert06/04/1998Tijdschriftartikel