1. Definitions of monitoring activities and their relevance for the practice of occupational health

   • R. L. Zielhuis
   • P. Th. Henderson

   Review Article Pages: 249 - 257

2. Epidemiology and risk calculation of hepatitis-B as an occupational disease in the Austrian health service

   • H. Maruna
   • G. Westphal

   Original Papers Pages: 259 - 265

3. Bioresponses in men after repeated exposures to single and simultaneous sinusoidal or stochastic whole body vibrations of varying bandwidths and noise

   • Olavi Manninen

   Original Papers Pages: 267 - 295

4. Visual disturbances after industrial triethylamine exposure

   • Bengt Åkesson
   • Mikael Bengtsson
   • Ingrid Florén

   Original Papers Pages: 297 - 302

5. Delta aminolevulinic acid dehydratase amounts in lead-exposed subjects: description of a method correlated with the immunoturbidimetric assay

   • N. Despaux-Pagès
   • E. Comoy
   • C. Boudène

   Original Papers Pages: 303 - 313

6. Serum hexachlorocyclohexane residues in workers engaged at a HCH manufacturing plant

   • S. K. Nigam
   • A. B. Karnik
   • B. B. Chatterjee

   Original Papers Pages: 315 - 320

7. Mould exposure in museum personnel

   • Birgitta Kolmodin-Hedman
   • Göran Blomquist
   • Eva Sikström

   Short Communication Pages: 321 - 323

8. Acknowledgement

   Acknowledgments Pages: 325 - 325

9. Congresses

   Events Pages: 326 - 326