1. Natural products in therapy

   • A. Baerheim Svendsen
   • J. J. C. Scheffer

   Review Articles Pages: 93 - 103

2. The determination of aminoglycoside antibiotics in serum: A comparison of a high performance liquid chromatographic method with a microbiological assay

   • D. M. Barends
   • A. Rutgers
   • A. Hulshoff

   Original Articles Pages: 104 - 111

3. Abstracts of Dutch Ph.D theses

   • P. De Haan
   • A. Bast
   • L. M. L. Stolk

   Abstract Pages: 112 - 115

4. Introduction of Vancouver style

   Editorial Notice Pages: 116 - 116