Species identification of Chlamydia isolates by analyzing restriction fragment length polymorphism of the 16S-23S rRNA spacer regionA Meijer, GJ Kwakkel, A Vries, LM Schouls, JM Ossewaarde09/06/1997Journal Article
Analysis of the icsBA locus required for biosynthesis of the inner core region from Neisseria meningitidis lipopolysaccharideP Ley, M Kramer, A Martin, JC Richards, JT Poolman09/06/1997Journal Article
Influence of pH on the toxic effects of zinc, cadmium, and pentachlorophenol on pure cultures of soil microorganismsP Beelen, AK Fleuren-Kemila09/06/1997Journal Article
Repeated measurements of vegetables, fruits, beta-carotene, and vitamins C and E in relation to lung cancerMC Ocke, HB Bueno de Mesquita, EJM Feskens, WA Staveren, D Kromhout09/06/1997Journal Article
Biochemical markers as additional measurements in dietary validity studies: application of the method of triads with examples from the European prospective investigation into cancer and nutritionMC Ocke, RJ Kaaks19/06/1997Journal Article
Significance and application of microbial toxicity tests in assessing ecotoxicological risks of contaminants in soil and sedimentP Beelen, P Doelman19/06/1997Journal Article
The effects of soil chemical characteristics on the 134Cs concentrations in earthworms. Uptake from liquid mediumMPM Janssen, P Glastra, JFMM Lembrechts26/06/1997Journal Article
Determination of organochlorine compounds in fatty matrices: application of normal-phase LC clean-up coupled on-line to GC/ECDGR Hoff, RA Baumann, P Zoonen, UATh Brinkman26/06/1997Journal Article
The Dutch EPIC food frequency questionnaire. I. Description of the questionnaire, and relative validity and reproducibility for food groupsMC Ocke, HB Bueno de Mesquita, HE Goddijn, A Jansen, MA Pols, WA Staveren, D Kromhout26/06/1997Journal Article