Referentiematerialen voor diergeneesmiddelen en anabolica: hulpmiddelen op weg naar een betere analytiekLA Ginkel, RW Stephany31/12/1990Journal Article
Reference-material-based collaborative test of flame atomic absorption spectroscopic determination of calcium and magnesium in foods and biological materialsHAMG Vaessen, CG Kamp31/12/1990Journal Article
Reference materials for PAHs in foodstuffs: II. Results of a further intercomparison of methods in experienced laboratoriesHAMG Vaessen, PJ Wagstaffe, AS Lindsey31/12/1990Journal Article
Reference and quality control materials for anabolic agents and veterinary drugs prepared by RIVM, status April 1st, 1989RW Stephany, LA Ginkel31/12/1990Journal Article
Recovery of HIV antibodies in eluates from plasma and erythrocytes dried on filter paper and stored under various conditions [Letter to the editor]R Akker, H Kooy, HP Meyden, BH Lumey31/12/1990Journal Article
Rapportage besluiten luchtkwaliteit over de jaren 1986 tot en met 1988HC Eerens, GJH Schokkin, ME Os-Hendrikse31/12/1990Journal Article
Rabies virus cross-reactive murine T cell clones: analysis of helper and delayed-type hypersensitivity functionH Bunschoten, B Dietzschold, I Claassen, R Klapmuts, F UytdeHaag, A Osterhaus31/12/1990Journal Article
Quantifying the food webs of Lake Bleiswijkse Zoom and Lake ZwemlustAH Bakema, WJ Rip, MW Haan, FJ Los31/12/1990Journal Article