1. Experimental results and clinical implications of the four R's in fractionated radiotherapy

   • Klaus-Rüdiger Trott

   OriginalPaper Pages: 159 - 170

2. Comparative study of G2 delay and survival after²⁴¹Americium-α and⁶⁰Cobalt-γ irradiation

   • C. Lücke-Huhle
   • W. Comper
   • M. Pech

   OriginalPaper Pages: 171 - 185

3. Combined treatment of preimplantation mouse embryos in vitro with sodium nitrite and X-rays

   • W. -U. Müller
   • C. Streffer
   • C. Fischer

   OriginalPaper Pages: 187 - 194

4. Residual radiation effect in the murine spleen. In situ measurement by 125-iodo-deoxyuridine retention

   • G. E. Hübner
   • K. -H. v. Wangenheim
   • L. E. Feinendegen

   OriginalPaper Pages: 195 - 200

5. Fractionated low-level gamma irradiation of Chinese hamster cells: Cellular and biochemical effects

   • R. Kol
   • Y. M. Heimer
   • E. Ben-Hur

   OriginalPaper Pages: 201 - 207

6. Possible future trends of radiation exposure by carbon 14

   • M. Matthies
   • H. G. Paretzke

   OriginalPaper Pages: 209 - 221

7. A schedule to demonstrate radiation-induced sister chromatid exchanges in human lymphocytes

   • J. P. Chaudhuri

   OriginalPaper Pages: 223 - 229

8. Reduced sensitization by misonidazole when recovery from potentially lethal damage is allowed

   • Jürgen Kiefer

   Short Communication Pages: 231 - 234