1. Free erythrocyte protoporphyrin as an indicator of the biological effect of lead in adult males

   • L. Alessio
   • P. A. Bertazzi
   • F. Toffoletto

   OriginalPaper Pages: 77 - 86

2. Pharmacokinetics of trichloroethylene in volunteers, influence of workload and exposure concentration

   • A. C. Monster
   • G. Boersma
   • W. C. Duba

   OriginalPaper Pages: 87 - 102

3. Interaction of inorganic to organic mercury in their metabolism in human body

   • Tsuguyoshi Suzuki
   • Sachiko Shishido
   • Nobuo Ishihara

   OriginalPaper Pages: 103 - 113

4. The Application of a new carbon disulfide exposure test in occupational health

   • R. F. M. Herber

   OriginalPaper Pages: 115 - 120

5. Acute inhalation-intoxication by combustion of polyvinylchloride

   • F. Colardyn
   • M. van der Straeten
   • Th. van Peteghem

   OriginalPaper Pages: 121 - 127

6. Biochemical response of male volunteers ingesting inorganic lead for 49 days

   • A. Cools
   • H. J. A. Sallé
   • R. L. Zielhuis

   Short Communications Pages: 129 - 139

7. Motor nerve conduction velocity in volunteers ingesting inorganic lead for 49 days

   • M. M. Verberk

   Short Communications Pages: 141 - 143

8. Cytogenetic investigations in volunteers ingesting inorganic lead

   • J. B. Bulsma
   • H. F. De France

   Short Communications Pages: 145 - 148