1. A survey of respiratory symptoms and lung function in ferrochromium and ferrosilicon workers

   • Sverre Langård

   Original Papers Pages: 1 - 9

2. Comparison of several methods for the determination of arsenic compounds in water and in urine

   • J. P. Buchet
   • R. Lauwerys
   • H. Roels

   Original Papers Pages: 11 - 29

3. Cytogenetics and cytokinetics of cultured lymphocytes from benzene-exposed workers

   • Toshiaki Watanabe
   • Akira Endo
   • Masayuki Ikeda

   Original Papers Pages: 31 - 41

4. Cancer of the urinary bladder in finland

   • Sakari Tola
   • Marita Tenho
   • Erkki Jarvinen

   Original Papers Pages: 43 - 51

5. Cumulative effects of daily toluene exposure

   • H. Konietzko
   • J. Keilbach
   • K. Drysch

   Original Papers Pages: 53 - 58

6. Epidemiologische untersuchungen zur ökologischen bleibelastung von männlichen gro\stadtbewohnern in Nordwestdeutschland

   • A. Brockhaus
   • I. Freier
   • R. Dolgner

   Original Papers Pages: 59 - 70

7. Metabolic fate of nitric oxide

   • Katsumi Yoshida
   • Kazuo Kasama
   • Masayuki Imai

   Concentrations of Lead and Free Erythrocyte Porphyrin in the Blood of Adult Urban Men in North-West Germany Pages: 71 - 77

8. A case-control study of the etiology of nasal cancer in Finland

   • Sakari Tola
   • Sven Hernberg
   • Marja-Liisa Korkala

   Concentrations of Lead and Free Erythrocyte Porphyrin in the Blood of Adult Urban Men in North-West Germany Pages: 79 - 85

9. Cumulative biochemical effects of repeated subclinical hydrogen sulfide intoxication in mouse brain

   • H. Savolainen
   • R. Tenhunen
   • A. Tossavainen

   Concentrations of Lead and Free Erythrocyte Porphyrin in the Blood of Adult Urban Men in North-West Germany Pages: 87 - 92