1. Enzyme-replacement therapy: Problems and prospects

   • B. Rademaker
   • J. Raber

   Review Articles Pages: 137 - 145

2. Histamine receptors in the central nervous system

   • H. Timmerman

   Update Articles Pages: 146 - 150

3. Pharmaco-epidemiological perspectives

   • Ulf Bergman

   Update Articles Pages: 151 - 154

4. Rapid assay for thein vitro chemosensitivity testing of human breast tumours

   • R. F. M. Oude Elferink
   • H. M. J. Goldschmidt
   • J. F. Leijten

   Original Articles Pages: 155 - 160

5. Flavones and flavonol glycosides fromEupatorium cannabinum L.

   • E. T. Elema
   • J. Schripsema
   • T. M. Malingré

   Original Articles Pages: 161 - 164

6. Faecal level of urobilinogen: an indication for the risk of superinfection and of failure of oral anticonception?

   • E. J. Vollaard
   • M. M. Jankowiak
   • H. A. L. Clasener

   Original Articles Pages: 165 - 168

7. Analysis of water-soluble vitamins in total parenteral nutrition solution by high pressure liquid chromatography

   • A. van der Horst
   • H. J. M. Martens
   • P. N. F. C. de Goede

   Original Articles Pages: 169 - 174

8. The use of an alum irrigation in the treatment of massive bladder haemorrhage

   • Rients Schootstra
   • Mels F. van Driel
   • Han J. M. Mensink

   Short Communications Pages: 175 - 178

9. Abstracts of Dutch doctoral theses

   • H. Huizer
   • L. van Puyvelde
   • G. A. P. Hospers

   Abstract Pages: 179 - 184