Stralingsbelasting van de bevolking en stralingsniveaus in het binnenmilieu in Nederland t.g.v. natuurlijke gammabronnenHW Julius, R Dongen31/12/1986Journal Article
Vertical distribution of gases and aerosols: The behaviour of ammonia and related components in the lower atmosphereJW Erisman, AWM Vermetten, WA Asman, A Waijers-IJpelaan, J Slanina31/12/1988Journal Article
Variation in the relationship between pH and ionized calcium concentration in serumABTJ Boink, RAM Camp, AHJ Maas31/12/1988Journal Article
Value of the widal test in the diagnosis of typhoid fever in an endemic area and suggestions for a modification. A preliminary studyLJ Boomsma, PAM Guinee, WH Jansen, HEM Maas31/12/1988Journal Article