The incidence and genetic variability of small round-structured viruses in outbreaks of gastroenteritis in The NetherlandsJ Vinje, SA Altena, MPG Koopmans15/12/1997Tijdschriftartikel
Age, time and cohort effects on functional status and self-rated health in elderly menN Hoeymans, EJM Feskens, GAM van, D Kromhout15/12/1997Tijdschriftartikel
(Potentieel) proefdierpathogene micro-organismen. K-virus (muis pneumonitis virus)R Boot, J van der Logt11/12/1997Tijdschriftartikel
Functional status and self-rated health in elderly men: the role of aging and chronic diseasesFHGM Hoeymans11/12/1997Tijdschriftartikel
Start kinkhoestonderzoek 'Aangifte-plus'SE Neppelenbroek, HE de Melker, MAE Conyn-van Spaendonck05/11/1997Tijdschriftartikel
The use of critical thresholds to assess natural stock at risk.JP Hettelingh, M Posch, PAM de Smet17-11-1997Tijdschriftartikel