CONTENTS — volume 22, no 6, 1996

Editorial

Exposure assessment -- a challenge for occupational epidemiology

Review

Quantification of historical exposures in occupational cohort studies

Original article

Exposure to 60-Hz magnetic and electric fields at a Canadian electric utility
Experts' subjective assessment of pesticide exposure in fruit growing
Spina bifida and parental occupation in a Swedish register-based study
Transient increase in DNA strand breaks in car refinishing spray painters
Incidence of lung cancer among cobalt-exposed women
Bronchial asthma and air pollution at workplaces

Case report

Provocation of the electromagnetic distress syndrome