Epitopes on the peplomer protein of infectious bronchitis virus strain M41 as defined by monoclonal antibodiesHGM Niesters, NMC Bleumink-Pluym, ADME Osterhaus, MC Horzinek, BAM van der Zeijst31/12/1987Tijdschriftartikel
Epidemiology of proctocolitis in the region of Leiden, The NetherlandsS Shivananda, AS Pena, JF Mayberry, EJ Ruitenberg, PJ Hoedemaeker31/12/1987Tijdschriftartikel
Epidemiology of Crohn's disease in regio Leiden, the Netherlands. A population study from 1979 to 1983S Shivananda, AS Pena, M Nap, EJ Ruitenberg, et al.31/12/1987Tijdschriftartikel
Enzyme-linked immunofiltration assay for rapid serodiagnosis of syphilisOE IJsselmuiden, MMHM Meinardi, JJ van der Sluis, HE Menke, E Stolz, RVW van Eijk31/12/1987Tijdschriftartikel
Enumeration of T cells reactive with Mycobacterium tuberculosis organisms and specific for the recombinant mycobacterial 64-kDa proteinSHE Kaufmann, U Vath, JER Thole, JDA van Embden, F Emmrich31/12/1987Tijdschriftartikel
Elliptical inhomogeneities in groundwater flow - an analytical descriptionANM Obdam, EJM Veling31/12/1987Tijdschriftartikel
Elimination of mycoplasma from cell cultures by means of specific bovine antiserumAA Polak-Vogelzang, J Brugman, ADME Osterhaus, R Reygers31/12/1987Tijdschriftartikel
Electroanalysis of heavy metal/organic matter systemsRFMJ Cleven, PM Wolfs, HP van Leeuwen31/12/1987Tijdschriftartikel
Effects on free-living soil nematodes of longterm exposure to chlorinated phenols in laboratory microcosms [Abstract]FI Kappers, JAAM Wondergem-van Eijk31/12/1987Tijdschriftartikel