CONTENTS — volume 3, no 4, 1977

Review

Biomedical and psychosocial aspects of shift work. A review

Original article

Trace-element concentrations in blood samples from welders of stainless steel or aluminium and a reference group.
Urinary chromium as an indicator of the exposure of welders to chromium.
Mutagenicity of fume particles from stainless steel welding.
Central nervous defects in two children of mothers exposed to chemicals in the reinforced plastics industry. Chance or a causal relation?
Exposure to methylene chloride. Content in subcutaneous adipose tissue.
Age and sex as determinants of the relative aerobic strain of nonmotorized mail delivery.
Acute and repetitive human exposure to isobutane.

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