IMPLICATIONS: A metaanalysis was performed to study the effects of morphine, injected
intraarticularly, on postoperative pain during 24 h. Nineteen studies could be identified in …

Objectives: To carry out an integrated and stratified meta-analysis on occupational exposure
to electromagnetic fields (EMFs), metals and pesticides and its effects on amyotrophic lateral …

BACKGROUND & AIMS:: In 1988, we reported the first twin study in inflammatory bowel
disease. The aim of the current study was to follow up these twins regarding new cases of …

Objective: To prospectively investigate whether sickness presenteeism (SP), ie, going to
work despite illness, has an impact on future sickness absenteeism. Methods: Two study …

This article investigates the hypothesis that office type has an influence on workers' health
status and job satisfaction and 469 employees in seven different types, defined by their …

Objectives We conducted a systematic literature review to identify studies fulfilling good
scientific epidemiological standards for use in meta-analyses of relevant risk factors for …

Purpose The primary aim of this prospective study was to investigate whether working
despite illness, so called “sickness presenteeism”, has an impact on the future general …

OBJECTIVE: Conventional harvesting of the saphenous vein in coronary artery bypass
surgery produces vessel damage that contributes to graft failure. A novel “no touch” …

Differences between office types may have an influence on the employees' satisfaction and
psychological responses with respect to different aspects of the office environment. For this …

Objectives This study investigates whether the no-touch (NT) vein graft, at a mean time of 16
years, maintains a significantly higher patency rate than conventional (C) vein grafts and still …