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A prospective epidemiological field study covering a 2 years period has earlier been published. The study has a parallel group design with two intervention groups (T and S) and one control group (C) of Visual Display Unit (VDU) operators. The present paper covers the period from 2 to 6 years of the study. After 3.5 years, the C group got the same(More)
BACKGROUND To assess the outcome of endoscopic retrograde cholangiography (ERC) before laparoscopic cholecystectomy (LC) for symptomatic gallbladder and suspected duct stones. METHODS During 3 years, one or more of four criteria led to ERC: jaundice, choledocus >8 mm, cholestasis, and severe biliary pancreatitis. Endoscopic extraction (ESE) of ductal(More)
BACKGROUND In the guidelines for follow-up of patients with established atherosclerotic disease, the importance of diet and other life style intervention strategies in reducing cardiovascular risk is emphasised. MATERIAL AND METHODS In a survey in 363 general practices in 1997-99 we examined the diet of 3,160 patients with established atherosclerosis(More)
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