Escherichia coli K12 in vitro en in vivo; een bijdrage aan het recombinant DNA debatPAM Guinee31/12/1978Journal Article
The quantitative determination of TCDD with different mass spectrometric methodsJ Freudenthal31/12/1978Journal Article
Translocation of an ampicilin resistance determinant within an R-factor aggregate in Salmonella panamaJDA Embden31/12/1978Journal Article
Interregional transport of air pollutants evaluation of Dutch measurement resultsND Egmond31/12/1978Journal Article
Salmonella in gehakt afkomstig van 10 vleeskeuringsdiensten in NederlandW Edel, FM Leusden, EH Kampelmacher31/12/1978Journal Article