CONTENTS — volume 23, no 4, 1997

Editorial

Cardiovascular disease and shift work

Review

Positive and negative evidence of risk factors for back disorders

Original article

Shift work, occupation and coronary heart disease over
Trends in mesothelioma incidence and occupational mesotheliomas in Finland in 1960--1995
Chronic bronchitis in farmers
Reproductive toxicity of 2-bromopropane in Sprague Dawley rats
Toluene-induced hearing loss among rotogravure printing workers
Test-retest reliability of an upper-extremity discomfort questionnaire in an industrial population

Letter to the editor

Re: "Malignant melanoma among lithographers" by H Nielsen, L Henriksen, JH Olsen. Scand J Work Environ Health 1996;22:108--11
Sex-ratio variation in the Bille settlement

Consensus report

Asbestos, asbestosis, and cancer: the Helsinki criteria for diagnosis and attribution
Tossavainen A, reporter