CONTENTS — volume 18, no 3, 1992

Original article

Mortality among workers engaged in the development or manufacture of styrene-based products--an update.
Mortality of workers employed at organochlorine pesticide manufacturing plants--an update.
Mortality among workers in a thorium-processing plant--a second follow-up.
Adverse pregnancy outcome and childhood malignancy with reference to paternal welding exposure.
Differences in the incidence of myocardial infarction among occupational groups.
Design of check-out systems including laser scanners for sitting work posture.
Effects of perceived job stress on depressive symptoms in blue-collar workers of an electrical factory in Japan.
Cancer mortality among licensed herbicide applicators.