Reversed-phase liquid chromatographic column switching for the trace-level determination of polar compounds. Application to chloroallyl alcohol in ground waterEA Hogendoorn, APJM Jong, P Zoonen, UATh Brinkman31/12/1990Journal Article
A new attempt to distinguish serologically the subspecies of Treponema pallidum causing syphilis and yawsGT Noordhoek, A Cockayne, LM Schouls, RH Meloen, E Stolz, JDA Embden31/12/1990Journal Article
Een (inter)nationaal longitudinaal onderzoek bij ouderen [Abstract]D Kromhout31/12/1990Journal Article
Trend in het serumcholesterolgehalte in Nederland in de periode 1974-1986 [Abstract]WMM Verschuren, GJM Boerma, D Kromhout31/12/1990Journal Article
Exposure of car passengers to CO, NO, NO2, benzene, toluene and leadWAM Tonkelaar31/12/1990Journal Article