1. Why must drugs and other environmental agents be tested for mutagenicity?

   • F. Vogel

   OriginalPaper Pages: 77 - 92

2. Microorganisms as test systems for mutagenicity

   • Georges Mohn

   OriginalPaper Pages: 93 - 104

3. Chromosome aberrations in mitoses and meioses in vivo

   • E. Schleiermacher

   OriginalPaper Pages: 105 - 114

4. Chromosome aberrations in oogenesis and embryogenesis of mammals and man

   • G. Röhrborn

   OriginalPaper Pages: 115 - 119

5. Possibilities of routine in vivo mutagenicity testing in mammals

   • G. Röhrborn

   OriginalPaper Pages: 120 - 128

6. The influence of metabolism on mutagenic activity in the host-mediated assay

   • Peter Propping
   • Werner Buselmaier

   OriginalPaper Pages: 129 - 134

7. The evaluation of mutagenicity tests within the scope of toxicological trials

   • Harald Frohberg

   OriginalPaper Pages: 135 - 148