1. Purification of influenza virus hemagglutinin by affinity chromatography

   • H. Becht
   • R. Rott

   OriginalPaper Pages: 67 - 70

2. Variation of the immune response to sheep erythrocytes in several strains of mice and their crosses

   • H. Buschmann
   • H. Kräußlich
   • K. Osterkorn

   OriginalPaper Pages: 71 - 82

3. Sensitive quantitation of unlabelled SV40 cRNA by competition hybridization with³H-labelledin vitro cRNA

   • N. Mueller
   • E. E. Petersen
   • G. Brandner

   OriginalPaper Pages: 83 - 90

4. Selective removal of neuraminidase from influenza A₂ viruses

   • H. Bachmayer
   • G. Schmidt

   OriginalPaper Pages: 91 - 94

5. Formation of α-l- and β-d-fucosidase in cultures ofStreptococcus mitis

   • Carl -Erik Nord
   • Torkel Wadström

   OriginalPaper Pages: 95 - 103

6. C-type virus particles in phytohemagglutinin-stimulated lymphocyte cultures with reference to enzootic lymphatic leukosis in sheep

   • J. Paulsen
   • R. Rudolph
   • Th. Schliesser

   OriginalPaper Pages: 105 - 112

7. Über die Rolle von Makrophagen in der Pathogenität des Vacciniavirus für junge Ratten

   • Waldemar Dabrowski
   • Jerzy Andrzejewski
   • Aleksandra Bogunowicz

   OriginalPaper Pages: 113 - 120

8. Untersuchungen zum normalen Vorkommen vonNeisseria flavescens (Branham, 1930)

   • U. Berger
   • D. Husmann

   OriginalPaper Pages: 121 - 127

9. Proteolytic activity of Cryptococcus neoformans against human plasma proteins

   • H. E. Müller
   • K. K. Sethi

   OriginalPaper Pages: 129 - 134

10. Malignant lymphoma induced by partially purifiedHerpesvirus saimiri and recovery of infectious virus from tumorous lymph nodes

    • Rainer Laufs
    • Bernhard Fleckenstein

    OriginalPaper Pages: 135 - 146

11. Über die Antigen-Bindungsfähigkeit lymphatischer Milzzellen nach Immunisierung

    • J. M. Heiß
    • H. Stickl

    OriginalPaper Pages: 147 - 159